diff --git a/docs/changelogs/CHANGELOG_V3_older.md b/docs/changelogs/CHANGELOG_V3_older.md
index d9ca257f05..a3b6dfd503 100644
--- a/docs/changelogs/CHANGELOG_V3_older.md
+++ b/docs/changelogs/CHANGELOG_V3_older.md
@@ -789,7 +789,7 @@ Thanks to everyone who contributed, and our fabulous [sponsors and backers](http
 
 # 1.10.0 / 2013-05-21
 
-- add add better globbing support for windows via `glob` module
+- add better globbing support for windows via `glob` module
 - add support to pass through flags such as --debug-brk=1234. Closes [#852](https://github.com/mochajs/mocha/issues/852)
 - add test.only, test.skip to qunit interface
 - change to always use word-based diffs for now. Closes [#733](https://github.com/mochajs/mocha/issues/733)
diff --git a/docs/index.md b/docs/index.md
index a56b64adde..997a90e553 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -1458,7 +1458,7 @@ Available root hooks and their behavior:
 
 > _Tip: If you need to ensure code runs once and only once in any mode, use [global fixtures](#global-fixtures)._
 
-As with other hooks, `this` refers to to the current context object:
+As with other hooks, `this` refers to the current context object:
 
 ```js
 // test/hooks.mjs
diff --git a/lib/nodejs/reporters/parallel-buffered.js b/lib/nodejs/reporters/parallel-buffered.js
index 840d718ed8..b697312e62 100644
--- a/lib/nodejs/reporters/parallel-buffered.js
+++ b/lib/nodejs/reporters/parallel-buffered.js
@@ -54,7 +54,7 @@ const ONCE_EVENT_NAMES = [EVENT_DELAY_BEGIN, EVENT_DELAY_END];
 
 /**
  * The `ParallelBuffered` reporter is used by each worker process in "parallel"
- * mode, by default.  Instead of reporting to to `STDOUT`, etc., it retains a
+ * mode, by default.  Instead of reporting to `STDOUT`, etc., it retains a
  * list of events it receives and hands these off to the callback passed into
  * {@link Mocha#run}. That callback will then return the data to the main
  * process.
diff --git a/lib/nodejs/serializer.js b/lib/nodejs/serializer.js
index b25c493bf0..cfdd3a69fd 100644
--- a/lib/nodejs/serializer.js
+++ b/lib/nodejs/serializer.js
@@ -117,7 +117,7 @@ class SerializableEvent {
   /**
    * Constructs a `SerializableEvent`, throwing if we receive unexpected data.
    *
-   * Practically, events emitted from `Runner` have a minumum of zero (0)
+   * Practically, events emitted from `Runner` have a minimum of zero (0)
    * arguments-- (for example, {@link Runnable.constants.EVENT_RUN_BEGIN}) and a
    * maximum of two (2) (for example,
    * {@link Runnable.constants.EVENT_TEST_FAIL}, where the second argument is an
diff --git a/package-scripts.js b/package-scripts.js
index 1e4c072973..3ffd751811 100644
--- a/package-scripts.js
+++ b/package-scripts.js
@@ -110,7 +110,7 @@ module.exports = {
         },
         qunit: {
           script: test('qunit', '--ui qunit test/interfaces/qunit.spec'),
-          description: 'Run Node.js QUnit interace tests',
+          description: 'Run Node.js QUnit interface tests',
           hiddenFromHelp: true
         },
         exports: {
diff --git a/test/integration/README.md b/test/integration/README.md
index 5b2e84d750..dd7fa87f77 100644
--- a/test/integration/README.md
+++ b/test/integration/README.md
@@ -31,7 +31,7 @@ The `helpers.js` module contains many functions to handle the common cases of sp
 By default, all of these helpers run with the following options:
 
 - `--no-color`: it's easier to make assertions about output w/o having to deal w/ ANSI escape codes
-- `--no-bail`: overrides a configuration file w/ `bail: true`; providing `--bail` to the arguments list will supress this (useful when testing `--bail`!)
+- `--no-bail`: overrides a configuration file w/ `bail: true`; providing `--bail` to the arguments list will suppress this (useful when testing `--bail`!)
 - `--no-parallel`: overrides a configuration file w/ `parallel: true`; providing `--parallel` to the arguments list will suppress this
 
 ## Environment Variables Which Do Stuff