diff --git a/gatsby-config.js b/gatsby-config.js
index b1469a552..86957aff7 100644
--- a/gatsby-config.js
+++ b/gatsby-config.js
@@ -1,8 +1,8 @@
 /**
  * Copyright (c) 2013-present, Facebook, Inc.
  *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
+ * This source code is licensed under the CC-BY-4.0 license found
+ * in the LICENSE file in the root directory of this source tree.
  *
  * @emails react-core
 */
diff --git a/gatsby-node.js b/gatsby-node.js
index 1bac337b5..ed11bc9e6 100644
--- a/gatsby-node.js
+++ b/gatsby-node.js
@@ -1,8 +1,8 @@
 /**
  * Copyright (c) 2013-present, Facebook, Inc.
  *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
+ * This source code is licensed under the CC-BY-4.0 license found
+ * in the LICENSE file in the root directory of this source tree.
  *
  * @emails react-core
 */
diff --git a/src/components/CodeEditor/CodeEditor.js b/src/components/CodeEditor/CodeEditor.js
index 0e6335932..2e3634b06 100644
--- a/src/components/CodeEditor/CodeEditor.js
+++ b/src/components/CodeEditor/CodeEditor.js
@@ -1,8 +1,8 @@
 /**
  * Copyright (c) 2013-present, Facebook, Inc.
  *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
+ * This source code is licensed under the CC-BY-4.0 license found
+ * in the LICENSE file in the root directory of this source tree.
  *
  * @emails react-core
 */
diff --git a/src/components/CodeEditor/index.js b/src/components/CodeEditor/index.js
index 66b735cda..d35332ed0 100644
--- a/src/components/CodeEditor/index.js
+++ b/src/components/CodeEditor/index.js
@@ -1,8 +1,8 @@
 /**
  * Copyright (c) 2013-present, Facebook, Inc.
  *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
+ * This source code is licensed under the CC-BY-4.0 license found
+ * in the LICENSE file in the root directory of this source tree.
  *
  * @emails react-core
 */
diff --git a/src/components/Container/Container.js b/src/components/Container/Container.js
index 266fa0668..997c06305 100644
--- a/src/components/Container/Container.js
+++ b/src/components/Container/Container.js
@@ -1,8 +1,8 @@
 /**
  * Copyright (c) 2013-present, Facebook, Inc.
  *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
+ * This source code is licensed under the CC-BY-4.0 license found
+ * in the LICENSE file in the root directory of this source tree.
  *
  * @emails react-core
  * @flow
diff --git a/src/components/Container/index.js b/src/components/Container/index.js
index 89b41c12b..bb1b1b364 100644
--- a/src/components/Container/index.js
+++ b/src/components/Container/index.js
@@ -1,8 +1,8 @@
 /**
  * Copyright (c) 2013-present, Facebook, Inc.
  *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
+ * This source code is licensed under the CC-BY-4.0 license found
+ * in the LICENSE file in the root directory of this source tree.
  *
  * @emails react-core
 */
diff --git a/src/components/ErrorDecoder/ErrorDecoder.js b/src/components/ErrorDecoder/ErrorDecoder.js
index dc2277705..e57ca597a 100644
--- a/src/components/ErrorDecoder/ErrorDecoder.js
+++ b/src/components/ErrorDecoder/ErrorDecoder.js
@@ -1,8 +1,8 @@
 /**
  * Copyright (c) 2013-present, Facebook, Inc.
  *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
+ * This source code is licensed under the CC-BY-4.0 license found
+ * in the LICENSE file in the root directory of this source tree.
  *
  * @emails react-core
 */
diff --git a/src/components/ErrorDecoder/index.js b/src/components/ErrorDecoder/index.js
index 4a94850db..4a34469fc 100644
--- a/src/components/ErrorDecoder/index.js
+++ b/src/components/ErrorDecoder/index.js
@@ -1,8 +1,8 @@
 /**
  * Copyright (c) 2013-present, Facebook, Inc.
  *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
+ * This source code is licensed under the CC-BY-4.0 license found
+ * in the LICENSE file in the root directory of this source tree.
  *
  * @emails react-core
 */
diff --git a/src/components/Flex/Flex.js b/src/components/Flex/Flex.js
index 041c4e9c3..2c23b5e01 100644
--- a/src/components/Flex/Flex.js
+++ b/src/components/Flex/Flex.js
@@ -1,8 +1,8 @@
 /**
  * Copyright (c) 2013-present, Facebook, Inc.
  *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
+ * This source code is licensed under the CC-BY-4.0 license found
+ * in the LICENSE file in the root directory of this source tree.
  *
  * @emails react-core
 */
diff --git a/src/components/Flex/index.js b/src/components/Flex/index.js
index c607c7abc..667cce7a7 100644
--- a/src/components/Flex/index.js
+++ b/src/components/Flex/index.js
@@ -1,8 +1,8 @@
 /**
  * Copyright (c) 2013-present, Facebook, Inc.
  *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
+ * This source code is licensed under the CC-BY-4.0 license found
+ * in the LICENSE file in the root directory of this source tree.
  *
  * @emails react-core
 */
diff --git a/src/components/Header/Header.js b/src/components/Header/Header.js
index f8f0167f0..a3bc54a39 100644
--- a/src/components/Header/Header.js
+++ b/src/components/Header/Header.js
@@ -1,8 +1,8 @@
 /**
  * Copyright (c) 2013-present, Facebook, Inc.
  *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
+ * This source code is licensed under the CC-BY-4.0 license found
+ * in the LICENSE file in the root directory of this source tree.
  *
  * @emails react-core
 */
diff --git a/src/components/Header/index.js b/src/components/Header/index.js
index f8d01569a..fa61a0407 100644
--- a/src/components/Header/index.js
+++ b/src/components/Header/index.js
@@ -1,8 +1,8 @@
 /**
  * Copyright (c) 2013-present, Facebook, Inc.
  *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
+ * This source code is licensed under the CC-BY-4.0 license found
+ * in the LICENSE file in the root directory of this source tree.
  *
  * @emails react-core
 */
diff --git a/src/components/LayoutFooter/ExternalFooterLink.js b/src/components/LayoutFooter/ExternalFooterLink.js
index 25e627e78..c18aad180 100644
--- a/src/components/LayoutFooter/ExternalFooterLink.js
+++ b/src/components/LayoutFooter/ExternalFooterLink.js
@@ -1,8 +1,8 @@
 /**
  * Copyright (c) 2013-present, Facebook, Inc.
  *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
+ * This source code is licensed under the CC-BY-4.0 license found
+ * in the LICENSE file in the root directory of this source tree.
  *
  * @emails react-core
 */
diff --git a/src/components/LayoutFooter/Footer.js b/src/components/LayoutFooter/Footer.js
index 637352b93..fa65367a1 100644
--- a/src/components/LayoutFooter/Footer.js
+++ b/src/components/LayoutFooter/Footer.js
@@ -1,8 +1,8 @@
 /**
  * Copyright (c) 2013-present, Facebook, Inc.
  *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
+ * This source code is licensed under the CC-BY-4.0 license found
+ * in the LICENSE file in the root directory of this source tree.
  *
  * @emails react-core
 */
diff --git a/src/components/LayoutFooter/FooterLink.js b/src/components/LayoutFooter/FooterLink.js
index c02076114..b8a4fd0c9 100644
--- a/src/components/LayoutFooter/FooterLink.js
+++ b/src/components/LayoutFooter/FooterLink.js
@@ -1,8 +1,8 @@
 /**
  * Copyright (c) 2013-present, Facebook, Inc.
  *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
+ * This source code is licensed under the CC-BY-4.0 license found
+ * in the LICENSE file in the root directory of this source tree.
  *
  * @emails react-core
 */
diff --git a/src/components/LayoutFooter/FooterNav.js b/src/components/LayoutFooter/FooterNav.js
index f1d0dc2b6..764e53805 100644
--- a/src/components/LayoutFooter/FooterNav.js
+++ b/src/components/LayoutFooter/FooterNav.js
@@ -1,8 +1,8 @@
 /**
  * Copyright (c) 2013-present, Facebook, Inc.
  *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
+ * This source code is licensed under the CC-BY-4.0 license found
+ * in the LICENSE file in the root directory of this source tree.
  *
  * @emails react-core
 */
diff --git a/src/components/LayoutFooter/index.js b/src/components/LayoutFooter/index.js
index 600f80703..674a5c6f6 100644
--- a/src/components/LayoutFooter/index.js
+++ b/src/components/LayoutFooter/index.js
@@ -1,8 +1,8 @@
 /**
  * Copyright (c) 2013-present, Facebook, Inc.
  *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
+ * This source code is licensed under the CC-BY-4.0 license found
+ * in the LICENSE file in the root directory of this source tree.
  *
  * @emails react-core
 */
diff --git a/src/components/LayoutHeader/Header.js b/src/components/LayoutHeader/Header.js
index 37624998a..a20e5da12 100644
--- a/src/components/LayoutHeader/Header.js
+++ b/src/components/LayoutHeader/Header.js
@@ -1,8 +1,8 @@
 /**
  * Copyright (c) 2013-present, Facebook, Inc.
  *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
+ * This source code is licensed under the CC-BY-4.0 license found
+ * in the LICENSE file in the root directory of this source tree.
  *
  * @emails react-core
 */
diff --git a/src/components/LayoutHeader/HeaderLink.js b/src/components/LayoutHeader/HeaderLink.js
index 917913e86..3a00b9984 100644
--- a/src/components/LayoutHeader/HeaderLink.js
+++ b/src/components/LayoutHeader/HeaderLink.js
@@ -1,8 +1,8 @@
 /**
  * Copyright (c) 2013-present, Facebook, Inc.
  *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
+ * This source code is licensed under the CC-BY-4.0 license found
+ * in the LICENSE file in the root directory of this source tree.
  *
  * @emails react-core
 */
diff --git a/src/components/LayoutHeader/SearchSvg.js b/src/components/LayoutHeader/SearchSvg.js
index 7ccac6651..0986758b9 100644
--- a/src/components/LayoutHeader/SearchSvg.js
+++ b/src/components/LayoutHeader/SearchSvg.js
@@ -1,8 +1,8 @@
 /**
  * Copyright (c) 2013-present, Facebook, Inc.
  *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
+ * This source code is licensed under the CC-BY-4.0 license found
+ * in the LICENSE file in the root directory of this source tree.
  *
  * @emails react-core
 */
diff --git a/src/components/LayoutHeader/index.js b/src/components/LayoutHeader/index.js
index f8d01569a..fa61a0407 100644
--- a/src/components/LayoutHeader/index.js
+++ b/src/components/LayoutHeader/index.js
@@ -1,8 +1,8 @@
 /**
  * Copyright (c) 2013-present, Facebook, Inc.
  *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
+ * This source code is licensed under the CC-BY-4.0 license found
+ * in the LICENSE file in the root directory of this source tree.
  *
  * @emails react-core
 */
diff --git a/src/components/MarkdownHeader/MarkdownHeader.js b/src/components/MarkdownHeader/MarkdownHeader.js
index 5b4ed3da3..014226778 100644
--- a/src/components/MarkdownHeader/MarkdownHeader.js
+++ b/src/components/MarkdownHeader/MarkdownHeader.js
@@ -1,8 +1,8 @@
 /**
  * Copyright (c) 2013-present, Facebook, Inc.
  *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
+ * This source code is licensed under the CC-BY-4.0 license found
+ * in the LICENSE file in the root directory of this source tree.
  *
  * @emails react-core
 */
diff --git a/src/components/MarkdownHeader/index.js b/src/components/MarkdownHeader/index.js
index cad7fa3cb..b42984398 100644
--- a/src/components/MarkdownHeader/index.js
+++ b/src/components/MarkdownHeader/index.js
@@ -1,8 +1,8 @@
 /**
  * Copyright (c) 2013-present, Facebook, Inc.
  *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
+ * This source code is licensed under the CC-BY-4.0 license found
+ * in the LICENSE file in the root directory of this source tree.
  *
  * @emails react-core
 */
diff --git a/src/components/MarkdownPage/MarkdownPage.js b/src/components/MarkdownPage/MarkdownPage.js
index d48644616..eed250e79 100644
--- a/src/components/MarkdownPage/MarkdownPage.js
+++ b/src/components/MarkdownPage/MarkdownPage.js
@@ -1,8 +1,8 @@
 /**
  * Copyright (c) 2013-present, Facebook, Inc.
  *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
+ * This source code is licensed under the CC-BY-4.0 license found
+ * in the LICENSE file in the root directory of this source tree.
  *
  * @emails react-core
 */
diff --git a/src/components/MarkdownPage/index.js b/src/components/MarkdownPage/index.js
index d3c6a193e..f0048c120 100644
--- a/src/components/MarkdownPage/index.js
+++ b/src/components/MarkdownPage/index.js
@@ -1,8 +1,8 @@
 /**
  * Copyright (c) 2013-present, Facebook, Inc.
  *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
+ * This source code is licensed under the CC-BY-4.0 license found
+ * in the LICENSE file in the root directory of this source tree.
  *
  * @emails react-core
 */
diff --git a/src/components/StickyResponsiveSidebar/StickyResponsiveSidebar.js b/src/components/StickyResponsiveSidebar/StickyResponsiveSidebar.js
index 32008cec9..485cf8d3f 100644
--- a/src/components/StickyResponsiveSidebar/StickyResponsiveSidebar.js
+++ b/src/components/StickyResponsiveSidebar/StickyResponsiveSidebar.js
@@ -1,8 +1,8 @@
 /**
  * Copyright (c) 2013-present, Facebook, Inc.
  *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
+ * This source code is licensed under the CC-BY-4.0 license found
+ * in the LICENSE file in the root directory of this source tree.
  *
  * @emails react-core
 */
diff --git a/src/components/StickyResponsiveSidebar/index.js b/src/components/StickyResponsiveSidebar/index.js
index 742317c0a..523aa6402 100644
--- a/src/components/StickyResponsiveSidebar/index.js
+++ b/src/components/StickyResponsiveSidebar/index.js
@@ -1,8 +1,8 @@
 /**
  * Copyright (c) 2013-present, Facebook, Inc.
  *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
+ * This source code is licensed under the CC-BY-4.0 license found
+ * in the LICENSE file in the root directory of this source tree.
  *
  * @emails react-core
 */
diff --git a/src/components/TitleAndMetaTags/TitleAndMetaTags.js b/src/components/TitleAndMetaTags/TitleAndMetaTags.js
index 9efae6866..9a2ec3e96 100644
--- a/src/components/TitleAndMetaTags/TitleAndMetaTags.js
+++ b/src/components/TitleAndMetaTags/TitleAndMetaTags.js
@@ -1,8 +1,8 @@
 /**
  * Copyright (c) 2013-present, Facebook, Inc.
  *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
+ * This source code is licensed under the CC-BY-4.0 license found
+ * in the LICENSE file in the root directory of this source tree.
  *
  * @emails react-core
 */
diff --git a/src/components/TitleAndMetaTags/index.js b/src/components/TitleAndMetaTags/index.js
index dc26233ac..39d7e3f60 100644
--- a/src/components/TitleAndMetaTags/index.js
+++ b/src/components/TitleAndMetaTags/index.js
@@ -1,8 +1,8 @@
 /**
  * Copyright (c) 2013-present, Facebook, Inc.
  *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
+ * This source code is licensed under the CC-BY-4.0 license found
+ * in the LICENSE file in the root directory of this source tree.
  *
  * @emails react-core
 */
diff --git a/src/html.js b/src/html.js
index 5e186dd6e..9cef1cc06 100644
--- a/src/html.js
+++ b/src/html.js
@@ -1,8 +1,8 @@
 /**
  * Copyright (c) 2013-present, Facebook, Inc.
  *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
+ * This source code is licensed under the CC-BY-4.0 license found
+ * in the LICENSE file in the root directory of this source tree.
  *
  * @emails react-core
  */
diff --git a/src/layouts/index.js b/src/layouts/index.js
index ca2e8c9f7..8f0940985 100644
--- a/src/layouts/index.js
+++ b/src/layouts/index.js
@@ -1,8 +1,8 @@
 /**
  * Copyright (c) 2013-present, Facebook, Inc.
  *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
+ * This source code is licensed under the CC-BY-4.0 license found
+ * in the LICENSE file in the root directory of this source tree.
  *
  * @emails react-core
 */
diff --git a/src/pages/404.js b/src/pages/404.js
index 945468224..7c51c22d8 100644
--- a/src/pages/404.js
+++ b/src/pages/404.js
@@ -1,8 +1,8 @@
 /**
  * Copyright (c) 2013-present, Facebook, Inc.
  *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
+ * This source code is licensed under the CC-BY-4.0 license found
+ * in the LICENSE file in the root directory of this source tree.
  *
  * @emails react-core
  * @flow
diff --git a/src/pages/acknowledgements.html.js b/src/pages/acknowledgements.html.js
index 57dede189..4626d3597 100644
--- a/src/pages/acknowledgements.html.js
+++ b/src/pages/acknowledgements.html.js
@@ -1,8 +1,8 @@
 /**
  * Copyright (c) 2013-present, Facebook, Inc.
  *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
+ * This source code is licensed under the CC-BY-4.0 license found
+ * in the LICENSE file in the root directory of this source tree.
  *
  * @emails react-core
 */
diff --git a/src/pages/blog/all.html.js b/src/pages/blog/all.html.js
index 44122b78a..46012f3c0 100644
--- a/src/pages/blog/all.html.js
+++ b/src/pages/blog/all.html.js
@@ -1,8 +1,8 @@
 /**
  * Copyright (c) 2013-present, Facebook, Inc.
  *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
+ * This source code is licensed under the CC-BY-4.0 license found
+ * in the LICENSE file in the root directory of this source tree.
  *
  * @emails react-core
  * @flow
diff --git a/src/pages/docs/error-decoder.html.js b/src/pages/docs/error-decoder.html.js
index 56a69dea5..976719488 100644
--- a/src/pages/docs/error-decoder.html.js
+++ b/src/pages/docs/error-decoder.html.js
@@ -1,8 +1,8 @@
 /**
  * Copyright (c) 2013-present, Facebook, Inc.
  *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
+ * This source code is licensed under the CC-BY-4.0 license found
+ * in the LICENSE file in the root directory of this source tree.
  *
  * @emails react-core
 */
diff --git a/src/pages/jsx-compiler.html.js b/src/pages/jsx-compiler.html.js
index c3681604f..1d8be59e3 100644
--- a/src/pages/jsx-compiler.html.js
+++ b/src/pages/jsx-compiler.html.js
@@ -1,8 +1,8 @@
 /**
  * Copyright (c) 2013-present, Facebook, Inc.
  *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
+ * This source code is licensed under the CC-BY-4.0 license found
+ * in the LICENSE file in the root directory of this source tree.
  *
  * @emails react-core
  * @flow
diff --git a/src/prism-styles.js b/src/prism-styles.js
index 34b9c90cf..9a47e4459 100644
--- a/src/prism-styles.js
+++ b/src/prism-styles.js
@@ -1,8 +1,8 @@
 /**
  * Copyright (c) 2013-present, Facebook, Inc.
  *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
+ * This source code is licensed under the CC-BY-4.0 license found
+ * in the LICENSE file in the root directory of this source tree.
  *
  * @emails react-core
  * @flow
diff --git a/src/site-constants.js b/src/site-constants.js
index 8d3b25df9..27168fa69 100644
--- a/src/site-constants.js
+++ b/src/site-constants.js
@@ -1,8 +1,8 @@
 /**
  * Copyright (c) 2013-present, Facebook, Inc.
  *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
+ * This source code is licensed under the CC-BY-4.0 license found
+ * in the LICENSE file in the root directory of this source tree.
  *
  * @providesModule site-constants
  * @flow
diff --git a/src/templates/blog.js b/src/templates/blog.js
index 6018771e5..0a08100c3 100644
--- a/src/templates/blog.js
+++ b/src/templates/blog.js
@@ -1,8 +1,8 @@
 /**
  * Copyright (c) 2013-present, Facebook, Inc.
  *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
+ * This source code is licensed under the CC-BY-4.0 license found
+ * in the LICENSE file in the root directory of this source tree.
  *
  * @emails react-core
 */
diff --git a/src/templates/community.js b/src/templates/community.js
index 1a5760041..741765ba5 100644
--- a/src/templates/community.js
+++ b/src/templates/community.js
@@ -1,8 +1,8 @@
 /**
  * Copyright (c) 2013-present, Facebook, Inc.
  *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
+ * This source code is licensed under the CC-BY-4.0 license found
+ * in the LICENSE file in the root directory of this source tree.
  *
  * @emails react-core
 */
diff --git a/src/templates/components/ButtonLink/ButtonLink.js b/src/templates/components/ButtonLink/ButtonLink.js
index 7772eec71..33ced643c 100644
--- a/src/templates/components/ButtonLink/ButtonLink.js
+++ b/src/templates/components/ButtonLink/ButtonLink.js
@@ -1,8 +1,8 @@
 /**
  * Copyright (c) 2013-present, Facebook, Inc.
  *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
+ * This source code is licensed under the CC-BY-4.0 license found
+ * in the LICENSE file in the root directory of this source tree.
  *
  * @emails react-core
 */
diff --git a/src/templates/components/ButtonLink/index.js b/src/templates/components/ButtonLink/index.js
index a71cb870f..42c58083a 100644
--- a/src/templates/components/ButtonLink/index.js
+++ b/src/templates/components/ButtonLink/index.js
@@ -1,8 +1,8 @@
 /**
  * Copyright (c) 2013-present, Facebook, Inc.
  *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
+ * This source code is licensed under the CC-BY-4.0 license found
+ * in the LICENSE file in the root directory of this source tree.
  *
  * @emails react-core
 */
diff --git a/src/templates/components/ChevronSvg/index.js b/src/templates/components/ChevronSvg/index.js
index 9206aba1a..a57f4da1a 100644
--- a/src/templates/components/ChevronSvg/index.js
+++ b/src/templates/components/ChevronSvg/index.js
@@ -1,8 +1,8 @@
 /**
  * Copyright (c) 2013-present, Facebook, Inc.
  *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
+ * This source code is licensed under the CC-BY-4.0 license found
+ * in the LICENSE file in the root directory of this source tree.
  *
  * @emails react-core
 */
diff --git a/src/templates/components/ExternalLinkSvg/index.js b/src/templates/components/ExternalLinkSvg/index.js
index f3ca0a05e..571fae870 100644
--- a/src/templates/components/ExternalLinkSvg/index.js
+++ b/src/templates/components/ExternalLinkSvg/index.js
@@ -1,8 +1,8 @@
 /**
  * Copyright (c) 2013-present, Facebook, Inc.
  *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
+ * This source code is licensed under the CC-BY-4.0 license found
+ * in the LICENSE file in the root directory of this source tree.
  *
  * @emails react-core
 */
diff --git a/src/templates/components/MetaTitle/index.js b/src/templates/components/MetaTitle/index.js
index b75198457..752cb0758 100644
--- a/src/templates/components/MetaTitle/index.js
+++ b/src/templates/components/MetaTitle/index.js
@@ -1,8 +1,8 @@
 /**
  * Copyright (c) 2013-present, Facebook, Inc.
  *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
+ * This source code is licensed under the CC-BY-4.0 license found
+ * in the LICENSE file in the root directory of this source tree.
  *
  * @emails react-core
 */
diff --git a/src/templates/components/NavigationFooter/NavigationFooter.js b/src/templates/components/NavigationFooter/NavigationFooter.js
index 4b7b590ed..49e8c34d1 100644
--- a/src/templates/components/NavigationFooter/NavigationFooter.js
+++ b/src/templates/components/NavigationFooter/NavigationFooter.js
@@ -1,8 +1,8 @@
 /**
  * Copyright (c) 2013-present, Facebook, Inc.
  *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
+ * This source code is licensed under the CC-BY-4.0 license found
+ * in the LICENSE file in the root directory of this source tree.
  *
  * @emails react-core
 */
diff --git a/src/templates/components/NavigationFooter/index.js b/src/templates/components/NavigationFooter/index.js
index e3379f6e6..f289acfcd 100644
--- a/src/templates/components/NavigationFooter/index.js
+++ b/src/templates/components/NavigationFooter/index.js
@@ -1,8 +1,8 @@
 /**
  * Copyright (c) 2013-present, Facebook, Inc.
  *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
+ * This source code is licensed under the CC-BY-4.0 license found
+ * in the LICENSE file in the root directory of this source tree.
  *
  * @emails react-core
 */
diff --git a/src/templates/components/Sidebar/Section.js b/src/templates/components/Sidebar/Section.js
index 7037f3b19..e212f03e1 100644
--- a/src/templates/components/Sidebar/Section.js
+++ b/src/templates/components/Sidebar/Section.js
@@ -1,8 +1,8 @@
 /**
  * Copyright (c) 2013-present, Facebook, Inc.
  *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
+ * This source code is licensed under the CC-BY-4.0 license found
+ * in the LICENSE file in the root directory of this source tree.
  *
  * @emails react-core
  */
diff --git a/src/templates/components/Sidebar/Sidebar.js b/src/templates/components/Sidebar/Sidebar.js
index d94e23465..830b23e48 100644
--- a/src/templates/components/Sidebar/Sidebar.js
+++ b/src/templates/components/Sidebar/Sidebar.js
@@ -1,8 +1,8 @@
 /**
  * Copyright (c) 2013-present, Facebook, Inc.
  *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
+ * This source code is licensed under the CC-BY-4.0 license found
+ * in the LICENSE file in the root directory of this source tree.
  *
  * @emails react-core
  */
diff --git a/src/templates/components/Sidebar/index.js b/src/templates/components/Sidebar/index.js
index aa1b2c035..69dedd2d5 100644
--- a/src/templates/components/Sidebar/index.js
+++ b/src/templates/components/Sidebar/index.js
@@ -1,8 +1,8 @@
 /**
  * Copyright (c) 2013-present, Facebook, Inc.
  *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
+ * This source code is licensed under the CC-BY-4.0 license found
+ * in the LICENSE file in the root directory of this source tree.
  *
  * @emails react-core
 */
diff --git a/src/templates/docs.js b/src/templates/docs.js
index 35c580d49..d73fd4d6c 100644
--- a/src/templates/docs.js
+++ b/src/templates/docs.js
@@ -1,8 +1,8 @@
 /**
  * Copyright (c) 2013-present, Facebook, Inc.
  *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
+ * This source code is licensed under the CC-BY-4.0 license found
+ * in the LICENSE file in the root directory of this source tree.
  *
  * @emails react-core
 */
diff --git a/src/templates/home.js b/src/templates/home.js
index d2410ec2c..5dafe5774 100644
--- a/src/templates/home.js
+++ b/src/templates/home.js
@@ -1,8 +1,8 @@
 /**
  * Copyright (c) 2013-present, Facebook, Inc.
  *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
+ * This source code is licensed under the CC-BY-4.0 license found
+ * in the LICENSE file in the root directory of this source tree.
  *
  * @emails react-core
 */
diff --git a/src/templates/tutorial.js b/src/templates/tutorial.js
index 734778eaa..3909c183d 100644
--- a/src/templates/tutorial.js
+++ b/src/templates/tutorial.js
@@ -1,8 +1,8 @@
 /**
  * Copyright (c) 2013-present, Facebook, Inc.
  *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
+ * This source code is licensed under the CC-BY-4.0 license found
+ * in the LICENSE file in the root directory of this source tree.
  *
  * @emails react-core
 */
diff --git a/src/theme.js b/src/theme.js
index 50297bc9f..b901e1dbe 100644
--- a/src/theme.js
+++ b/src/theme.js
@@ -1,8 +1,8 @@
 /**
  * Copyright (c) 2013-present, Facebook, Inc.
  *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
+ * This source code is licensed under the CC-BY-4.0 license found
+ * in the LICENSE file in the root directory of this source tree.
  *
  * @providesModule theme
  * @flow
diff --git a/src/types.js b/src/types.js
index 22a7a04e2..659a01531 100644
--- a/src/types.js
+++ b/src/types.js
@@ -1,8 +1,8 @@
 /**
  * Copyright (c) 2013-present, Facebook, Inc.
  *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
+ * This source code is licensed under the CC-BY-4.0 license found
+ * in the LICENSE file in the root directory of this source tree.
  *
  * @emails react-core
  * @flow
diff --git a/src/utils/createOgUrl.js b/src/utils/createOgUrl.js
index c8e467c3e..b2b4356a0 100644
--- a/src/utils/createOgUrl.js
+++ b/src/utils/createOgUrl.js
@@ -1,8 +1,8 @@
 /**
  * Copyright (c) 2013-present, Facebook, Inc.
  *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
+ * This source code is licensed under the CC-BY-4.0 license found
+ * in the LICENSE file in the root directory of this source tree.
  *
  * @emails react-core
  */
diff --git a/src/utils/findSectionForPath.js b/src/utils/findSectionForPath.js
index 22ca8563c..5c1ffc3e4 100644
--- a/src/utils/findSectionForPath.js
+++ b/src/utils/findSectionForPath.js
@@ -1,8 +1,8 @@
 /**
  * Copyright (c) 2013-present, Facebook, Inc.
  *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
+ * This source code is licensed under the CC-BY-4.0 license found
+ * in the LICENSE file in the root directory of this source tree.
  *
  * @emails react-core
 */
diff --git a/src/utils/isItemActive.js b/src/utils/isItemActive.js
index bb7d93dd9..076b50aaa 100644
--- a/src/utils/isItemActive.js
+++ b/src/utils/isItemActive.js
@@ -1,8 +1,8 @@
 /**
  * Copyright (c) 2013-present, Facebook, Inc.
  *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
+ * This source code is licensed under the CC-BY-4.0 license found
+ * in the LICENSE file in the root directory of this source tree.
  *
  * @emails react-core
 */
diff --git a/src/utils/mountCodeExample.js b/src/utils/mountCodeExample.js
index 3210ef3ff..3bdfe44ca 100644
--- a/src/utils/mountCodeExample.js
+++ b/src/utils/mountCodeExample.js
@@ -1,8 +1,8 @@
 /**
  * Copyright (c) 2013-present, Facebook, Inc.
  *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
+ * This source code is licensed under the CC-BY-4.0 license found
+ * in the LICENSE file in the root directory of this source tree.
  *
  * @emails react-core
 */
diff --git a/src/utils/slugify.js b/src/utils/slugify.js
index 8a115cf61..d370b35f5 100644
--- a/src/utils/slugify.js
+++ b/src/utils/slugify.js
@@ -1,8 +1,8 @@
 /**
  * Copyright (c) 2013-present, Facebook, Inc.
  *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
+ * This source code is licensed under the CC-BY-4.0 license found
+ * in the LICENSE file in the root directory of this source tree.
  *
  * @emails react-core
 */
diff --git a/src/utils/toCommaSeparatedList.js b/src/utils/toCommaSeparatedList.js
index 0264e6dd4..16a252db0 100644
--- a/src/utils/toCommaSeparatedList.js
+++ b/src/utils/toCommaSeparatedList.js
@@ -1,8 +1,8 @@
 /**
  * Copyright (c) 2013-present, Facebook, Inc.
  *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
+ * This source code is licensed under the CC-BY-4.0 license found
+ * in the LICENSE file in the root directory of this source tree.
  *
  * @emails react-core
 */