diff --git a/docs/Resolution.md b/docs/Resolution.md
index a64ef796f5..cace016af0 100644
--- a/docs/Resolution.md
+++ b/docs/Resolution.md
@@ -298,7 +298,7 @@ Any custom options passed to the resolver. By default, Metro populates this base
 
 #### `resolveRequest: CustomResolver`
 
-A alternative resolver function to which the current request may be delegated. Defaults to [`resolver.resolveRequest`](./Configuration.md#resolvereqeuest).
+An alternative resolver function to which the current request may be delegated. Defaults to [`resolver.resolveRequest`](./Configuration.md#resolverequest).
 
 Metro expects `resolveRequest` to have the following signature:
 
diff --git a/packages/buck-worker-tool/src/__tests__/worker-test.js b/packages/buck-worker-tool/src/__tests__/worker-test.js
index c4bc01f268..8d18f681b0 100644
--- a/packages/buck-worker-tool/src/__tests__/worker-test.js
+++ b/packages/buck-worker-tool/src/__tests__/worker-test.js
@@ -385,7 +385,7 @@ describe('Buck worker:', () => {
       });
     });
 
-    test('responds with success if the command finishes succesfully', () => {
+    test('responds with success if the command finishes successfully', () => {
       commands.transform = (args, _) => {};
       mockFiles({path: {to: {args: 'transform'}}});
       inStream.write(
diff --git a/packages/metro-config/src/defaults/__tests__/exclusionList-test.js b/packages/metro-config/src/defaults/__tests__/exclusionList-test.js
index c45f957f74..606411401b 100644
--- a/packages/metro-config/src/defaults/__tests__/exclusionList-test.js
+++ b/packages/metro-config/src/defaults/__tests__/exclusionList-test.js
@@ -16,7 +16,7 @@ const path = require('path');
 describe('exclusionList', () => {
   let originalSeparator;
 
-  function setPathSeperator(sep: string) {
+  function setPathSeparator(sep: string) {
     // $FlowFixMe[cannot-write]: property sep is not writable.
     path.sep = sep;
   }
@@ -31,14 +31,14 @@ describe('exclusionList', () => {
   });
 
   test('proves we can write to path.sep for setting up the tests', () => {
-    setPathSeperator('/');
+    setPathSeparator('/');
     expect(require('path').sep).toBe('/');
-    setPathSeperator('\\');
+    setPathSeparator('\\');
     expect(require('path').sep).toBe('\\');
   });
 
-  describe('simulate macOS/linux enviornment', () => {
-    beforeEach(() => setPathSeperator('/'));
+  describe('simulate macOS/linux environment', () => {
+    beforeEach(() => setPathSeparator('/'));
 
     test('converts forward slashes in the RegExp to the OS specific path separator', () => {
       // Simple case
@@ -73,8 +73,8 @@ describe('exclusionList', () => {
     });
   });
 
-  describe('simulate windows enviornment', () => {
-    beforeEach(() => setPathSeperator('\\'));
+  describe('simulate windows environment', () => {
+    beforeEach(() => setPathSeparator('\\'));
 
     test('converts forward slashes in the RegExp to the OS specific path separator', () => {
       // Simple case
diff --git a/packages/metro-file-map/src/watchers/NativeWatcher.js b/packages/metro-file-map/src/watchers/NativeWatcher.js
index 3c11a384fe..49dd023144 100644
--- a/packages/metro-file-map/src/watchers/NativeWatcher.js
+++ b/packages/metro-file-map/src/watchers/NativeWatcher.js
@@ -127,9 +127,9 @@ export default class NativeWatcher extends AbstractWatcher {
       }
 
       // For directory "rename" events, notify that we need a recrawl since we
-      // wont' receive events for unmodified files underneath a moved (or
+      // won't receive events for unmodified files underneath a moved (or
       // cloned) directory. Renames are fired by the OS on moves, clones, and
-      // creations. We ignore "change" events because they indiciate a change
+      // creations. We ignore "change" events because they indicate a change
       // to directory metadata, rather than its path or existence.
       if (type === 'd' && event === 'rename') {
         debug(
diff --git a/packages/metro-resolver/src/PackageResolve.js b/packages/metro-resolver/src/PackageResolve.js
index fb85bffaed..34023c048d 100644
--- a/packages/metro-resolver/src/PackageResolve.js
+++ b/packages/metro-resolver/src/PackageResolve.js
@@ -83,7 +83,7 @@ export function redirectModulePath(
    *
    * - A relative specifier (beginning with '.'), which may be redirected by a
    *   `package.json` file local to `context.originModulePath`.
-   *     - Note: A path begining with '/' is treated as an absolute specifier
+   *     - Note: A path beginning with '/' is treated as an absolute specifier
    *       (non-standard).
    * - A bare specifier (e.g. 'some-pkg', 'some-pkg/foo'), which may be
    *   redirected by `package.json` rules in the containing package.
diff --git a/packages/metro-runtime/src/polyfills/__tests__/MetroFastRefreshMockRuntime.js b/packages/metro-runtime/src/polyfills/__tests__/MetroFastRefreshMockRuntime.js
index d24841019f..304712fbd6 100644
--- a/packages/metro-runtime/src/polyfills/__tests__/MetroFastRefreshMockRuntime.js
+++ b/packages/metro-runtime/src/polyfills/__tests__/MetroFastRefreshMockRuntime.js
@@ -68,7 +68,7 @@ export class Runtime {
     onFullReload: jest.fn(),
 
     /**
-     * Called when Fast Refresh has occured.
+     * Called when Fast Refresh has occurred.
      */
     onFastRefresh: jest.fn(),
   };