diff --git a/_data/nav_docs.yml b/_data/nav_docs.yml
index 86f44eb75..e3b5183ff 100644
--- a/_data/nav_docs.yml
+++ b/_data/nav_docs.yml
@@ -14,8 +14,10 @@
     title: Videos
   - id: complementary-tools
     title: Complementary Tools
+    href: https://github.com/facebook/react/wiki/Complementary-Tools
   - id: examples
     title: Examples
+    href: https://github.com/facebook/react/wiki/Examples
 - title: Guides
   items:
   - id: why-react
diff --git a/_plugins/sidebar_item.rb b/_plugins/sidebar_item.rb
index a5dda30c7..bfb218b88 100644
--- a/_plugins/sidebar_item.rb
+++ b/_plugins/sidebar_item.rb
@@ -4,7 +4,14 @@ module Jekyll
       pageID = @context.registers[:page]["id"]
       itemID = item["id"]
       href = item["href"] || "/react/docs/#{itemID}.html"
-      className = pageID == itemID ? ' class="active"' : ''
+      classes = []
+      if pageID == itemID
+        classes.push("active")
+      end
+      if item["href"]
+        classes.push("external")
+      end
+      className = classes.size ? "class=\"#{classes.join(' ')}\"" : "";
 
       return "<a href=\"#{href}\"#{className}>#{item["title"]}</a>"
     end
diff --git a/css/react.scss b/css/react.scss
index a1d69446e..28858d79a 100644
--- a/css/react.scss
+++ b/css/react.scss
@@ -260,6 +260,22 @@ h1, h2, h3, h4, h5, h6 {
     &.active {
       color: $primary;
     }
+
+    &.external {
+      &:after {
+        content: "";
+        display: inline-block;
+        width: 10px;
+        height: 10px;
+        padding-left: 5px;
+        @include retina-image('../img/external', 10px 10px);
+        background-position: 100% 0;
+        background-repeat: no-repeat;
+        font-size: 10px;
+        line-height: 1em;
+        opacity: 0.5;
+      }
+    }
   }
 
   .nav-docs-section {
diff --git a/img/external.png b/img/external.png
new file mode 100644
index 000000000..423ec131b
Binary files /dev/null and b/img/external.png differ
diff --git a/img/external_2x.png b/img/external_2x.png
new file mode 100644
index 000000000..fefbe2c1d
Binary files /dev/null and b/img/external_2x.png differ