diff --git a/docs/_posts/2015-12-04-react-js-conf-2016-diversity-scholarship.md b/docs/_posts/2015-12-04-react-js-conf-2016-diversity-scholarship.md
index 7a6b6d957a..1435447614 100644
--- a/docs/_posts/2015-12-04-react-js-conf-2016-diversity-scholarship.md
+++ b/docs/_posts/2015-12-04-react-js-conf-2016-diversity-scholarship.md
@@ -28,7 +28,7 @@ To apply for the scholarship, please visit the application page: **<http://goo.g
 
 ## Award Includes
 
-* Paid registration fee for the React.js Conf Feburary 22 & 23 in downtown San Francisco, CA
+* Paid registration fee for the React.js Conf February 22 & 23 in downtown San Francisco, CA
 * Paid lodging expenses for February 21, 22, 23
 
 ## Important Dates
diff --git a/fixtures/dom/src/components/fixtures/text-inputs/index.js b/fixtures/dom/src/components/fixtures/text-inputs/index.js
index 61600b8ca1..a351437745 100644
--- a/fixtures/dom/src/components/fixtures/text-inputs/index.js
+++ b/fixtures/dom/src/components/fixtures/text-inputs/index.js
@@ -10,7 +10,7 @@ class TextInputFixtures extends React.Component {
     return (
       <FixtureSet
         title="Inputs"
-        description="Common behavior across controled and uncontrolled inputs">
+        description="Common behavior across controlled and uncontrolled inputs">
         <TestCase title="Numbers in a controlled text field with no handler">
           <TestCase.Steps>
             <li>Move the cursor to after "2" in the text field</li>
diff --git a/scripts/bench/server.js b/scripts/bench/server.js
index bd20e7ca54..6bc9dc14cb 100644
--- a/scripts/bench/server.js
+++ b/scripts/bench/server.js
@@ -70,7 +70,7 @@ if (require.main === module) {
   if (benchmarkInput) {
     serveBenchmark(benchmarkInput);
   } else {
-    console.error('Please specifiy a benchmark directory to serve!');
+    console.error('Please specify a benchmark directory to serve!');
     process.exit(1);
   }
 }
diff --git a/scripts/fiber/tests-passing.txt b/scripts/fiber/tests-passing.txt
index 0e32d7d915..bc6fa9036e 100644
--- a/scripts/fiber/tests-passing.txt
+++ b/scripts/fiber/tests-passing.txt
@@ -97,8 +97,8 @@ src/isomorphic/classic/__tests__/createReactClassIntegration-test.js
 * should warn on invalid prop types
 * should warn on invalid context types
 * should throw on invalid child context types
-* should warn when mispelling shouldComponentUpdate
-* should warn when mispelling componentWillReceiveProps
+* should warn when misspelling shouldComponentUpdate
+* should warn when misspelling componentWillReceiveProps
 * should throw if a reserved property is in statics
 * should support statics
 * should work with object getInitialState() return values
diff --git a/scripts/rollup/build.js b/scripts/rollup/build.js
index b73207aa4a..e3cbf2d59e 100644
--- a/scripts/rollup/build.js
+++ b/scripts/rollup/build.js
@@ -523,7 +523,7 @@ rimraf('build', () => {
   }
   // rather than run concurently, opt to run them serially
   // this helps improve console/warning/error output
-  // and fixes a bunch of IO failures that sometimes occured
+  // and fixes a bunch of IO failures that sometimes occurred
   return runWaterfall(tasks)
     .then(() => {
       // output the results
diff --git a/scripts/rollup/modules.js b/scripts/rollup/modules.js
index 24c7d7a02c..53918d536a 100644
--- a/scripts/rollup/modules.js
+++ b/scripts/rollup/modules.js
@@ -139,7 +139,7 @@ function ignoreReactNativeModules() {
 function getExternalModules(externals, bundleType, isRenderer) {
   // external modules tell Rollup that we should not attempt
   // to bundle these modules and instead treat them as
-  // external depedencies to the bundle. so for CJS bundles
+  // external dependencies to the bundle. so for CJS bundles
   // this means having a require("name-of-external-module") at
   // the top of the bundle. for UMD bundles this means having
   // both a require and a global check for them
diff --git a/src/renderers/shared/fiber/ReactFiberCompleteWork.js b/src/renderers/shared/fiber/ReactFiberCompleteWork.js
index 3906b55ee9..41393a19e2 100644
--- a/src/renderers/shared/fiber/ReactFiberCompleteWork.js
+++ b/src/renderers/shared/fiber/ReactFiberCompleteWork.js
@@ -281,7 +281,7 @@ module.exports = function<T, P, I, TI, PI, C, CX, PL>(
           // bottom->up. Top->down is faster in IE11.
           let wasHydrated = popHydrationState(workInProgress);
           if (wasHydrated) {
-            // TOOD: Move this and createInstance step into the beginPhase
+            // TODO: Move this and createInstance step into the beginPhase
             // to consolidate.
             if (
               prepareToHydrateHostInstance(
diff --git a/src/renderers/shared/fiber/ReactFiberContext.js b/src/renderers/shared/fiber/ReactFiberContext.js
index 2afa344ab4..fb0d4dda3a 100644
--- a/src/renderers/shared/fiber/ReactFiberContext.js
+++ b/src/renderers/shared/fiber/ReactFiberContext.js
@@ -237,7 +237,7 @@ exports.pushContextProvider = function(workInProgress: Fiber): boolean {
     emptyObject;
 
   // Remember the parent context so we can merge with it later.
-  // Inherit the parent's did-perform-work value to avoid inadvertantly blocking updates.
+  // Inherit the parent's did-perform-work value to avoid inadvertently blocking updates.
   previousContext = contextStackCursor.current;
   push(contextStackCursor, memoizedMergedChildContext, workInProgress);
   push(