diff --git a/.eslintrc b/.eslintrc
index 4db9366de9..aa3d1a8f74 100644
--- a/.eslintrc
+++ b/.eslintrc
@@ -46,7 +46,7 @@
     "unicorn/prefer-ternary": "off" // TODO: fix issues and turn this back on
   },
 
-  // Typescript settings
+  // TypeScript settings
   "overrides": [
     {
       "files": ["**/*{.ts,tsx}"],
diff --git a/.github/workflows/get-signed-from-stampy.yml b/.github/workflows/get-signed-from-stampy.yml
index 69c102582b..eb39e297bd 100644
--- a/.github/workflows/get-signed-from-stampy.yml
+++ b/.github/workflows/get-signed-from-stampy.yml
@@ -8,7 +8,7 @@ jobs:
     environment: Stampy
     steps:
       - uses: actions/checkout@v3
-      - name: download signed Windows installer from from Stampy
+      - name: download signed Windows installer from Stampy
         env:
           STAMPY_ARN: ${{ secrets.STAMPY_ARN }}
           AWS_ACCESS_KEY_ID: ${{secrets.AWS_ACCESS_KEY_ID}}
diff --git a/.github/workflows/start-gh-release.yml b/.github/workflows/start-gh-release.yml
index a9313e6c3a..d1941fd111 100644
--- a/.github/workflows/start-gh-release.yml
+++ b/.github/workflows/start-gh-release.yml
@@ -1,4 +1,4 @@
-name: Watch for and start Github Release
+name: Watch for and start GitHub Release
 
 on:
   pull_request_target:
diff --git a/.github/workflows/start-prerelease.yml b/.github/workflows/start-prerelease.yml
index e8738cec71..e946e159d1 100644
--- a/.github/workflows/start-prerelease.yml
+++ b/.github/workflows/start-prerelease.yml
@@ -48,7 +48,7 @@ jobs:
         run: |
           git config user.name "GitHub Actions Bot"
           git config user.email "heroku-front-end+npm-releases@salesforce.com"
-      - name: publish tag to Github
+      - name: publish tag to GitHub
         run: |
           git tag "${{ env.TAG_NAME }}" -m "${{ env.TAG_NAME }}"
           git push origin "${{ env.TAG_NAME }}"
diff --git a/.github/workflows/tag-create-github-release.yml b/.github/workflows/tag-create-github-release.yml
index 1d9fed8a14..c700f93b0e 100644
--- a/.github/workflows/tag-create-github-release.yml
+++ b/.github/workflows/tag-create-github-release.yml
@@ -1,4 +1,4 @@
-name: Create Github Release & Tag version in Git
+name: Create GitHub Release & Tag version in Git
 
 on:
   workflow_dispatch:
@@ -31,7 +31,7 @@ jobs:
       - name: Create & Push Git Tag
         run: ./scripts/release/create-git-tag-and-push
         shell: bash
-      - name: Release to Github
+      - name: Release to GitHub
         # the script below will fail if run from a separate shell file
         run: |
           PACKAGE_VERSION=$(node -e "console.log(require('./lerna.json').version)")
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 5d0235b282..df1dc9dc8d 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -6,7 +6,7 @@ This page lists the operational governance model of this project, as well as the
 
 ## Salesforce Sponsored
 
-The intent and goal of open sourcing this project is to increase the contributor and user base. However, only Salesforce employees will be given `admin` rights and will be the final arbitrars of what contributions are accepted or not.
+The intent and goal of open sourcing this project is to increase the contributor and user base. However, only Salesforce employees will be given `admin` rights and will be the final arbiters of what contributions are accepted or not.
 
 # Issues, requests & ideas
 
diff --git a/install-standalone.sh b/install-standalone.sh
index ee216d8785..2f87e1e590 100644
--- a/install-standalone.sh
+++ b/install-standalone.sh
@@ -27,7 +27,7 @@
   elif [ "\$(expr substr \$(uname -s) 1 5)" == "Linux" ]; then
     OS=linux
   else
-    echoerr "This installer is only supported on Linux and MacOS"
+    echoerr "This installer is only supported on Linux and macOS"
     exit 1
   fi
 
diff --git a/packages/ci-v5/CHANGELOG.md b/packages/ci-v5/CHANGELOG.md
index c4499d2046..cef385b578 100644
--- a/packages/ci-v5/CHANGELOG.md
+++ b/packages/ci-v5/CHANGELOG.md
@@ -860,7 +860,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/).
 
 ## [1.5.2] - 2017-04-27
 ### Changed
-- Releax engines requirements in package.json.
+- Relax engines requirements in package.json.
 
 ## [1.5.1] - 2017-04-03
 ### Changed
diff --git a/packages/ci-v5/test/unit/lib/disambiguate.unit.test.js b/packages/ci-v5/test/unit/lib/disambiguate.unit.test.js
index b97a4da7ed..4ac87d1345 100644
--- a/packages/ci-v5/test/unit/lib/disambiguate.unit.test.js
+++ b/packages/ci-v5/test/unit/lib/disambiguate.unit.test.js
@@ -25,7 +25,7 @@ describe('disambiguate', function () {
       api.done()
     })
 
-    it('erros when no pipelines are returned', async function () {
+    it('errors when no pipelines are returned', async function () {
       const api = nock('https://api.heroku.com')
         .get('/pipelines?eq[name]=notUUID')
         .reply(200, [])
diff --git a/packages/cli/README.md b/packages/cli/README.md
index 41fc1c6108..546185144f 100644
--- a/packages/cli/README.md
+++ b/packages/cli/README.md
@@ -98,7 +98,7 @@ Run one test, in this case plugin-certs-v5, with `yarn lerna run --scope @heroku
 
 ## Debugging
 
-Using WebStorm (from Jetbrains / IntelliJ), you can run/debug an individual test case.
+Using WebStorm (from JetBrains / IntelliJ), you can run/debug an individual test case.
 
 - Create a new run/debug configuration
 - Select the 'Mocha' type
diff --git a/packages/cli/src/commands/autocomplete/options.ts b/packages/cli/src/commands/autocomplete/options.ts
index 117ee1fa96..9199004030 100644
--- a/packages/cli/src/commands/autocomplete/options.ts
+++ b/packages/cli/src/commands/autocomplete/options.ts
@@ -27,7 +27,7 @@ export default class Options extends AutocompleteBase {
   // *args: refers to a Command's static args
   // *argv: refers to the current execution's command line positional input
   // Klass: (class) Command class
-  // completion: (object) object with data/methods to build/retrive options from cache
+  // completion: (object) object with data/methods to build/retrieve options from cache
   // curPosition*: the current argv position the shell is trying to complete
   // options: (string) white-space separated list of values for the shell to use for completion
 
diff --git a/packages/cli/src/lib/pipelines/kolkrabbi-api.ts b/packages/cli/src/lib/pipelines/kolkrabbi-api.ts
index 5fec47dad9..b504f76a5d 100644
--- a/packages/cli/src/lib/pipelines/kolkrabbi-api.ts
+++ b/packages/cli/src/lib/pipelines/kolkrabbi-api.ts
@@ -62,7 +62,7 @@ export default class {
     })
   }
 
-  getPipelineGithub(pipeline: any) {
+  getPipelineGitHub(pipeline: any) {
     return this.request(`/pipelines/${pipeline}/github`, {
       method: 'GET',
     })
diff --git a/packages/cli/test/unit/analytics.unit.test.ts b/packages/cli/test/unit/analytics.unit.test.ts
index bb910f9e86..cf5438ac76 100644
--- a/packages/cli/test/unit/analytics.unit.test.ts
+++ b/packages/cli/test/unit/analytics.unit.test.ts
@@ -214,7 +214,7 @@ describe('analytics (backboard has an error) with authorizationToken', () => {
       user = netrc.machines[vars.apiHost]?.login || undefined
     })
 
-    it('retreives user heroku API key', async () => {
+    it('retrieves user heroku API key', async () => {
       const config = await Config.load()
       config.platform = 'win32'
       config.shell = 'fish'
diff --git a/packages/cli/test/unit/commands/ci/rerun.unit.test.ts b/packages/cli/test/unit/commands/ci/rerun.unit.test.ts
index 39dfff5727..725a085072 100644
--- a/packages/cli/test/unit/commands/ci/rerun.unit.test.ts
+++ b/packages/cli/test/unit/commands/ci/rerun.unit.test.ts
@@ -26,7 +26,7 @@ describe('ci:rerun', () => {
     }
     const newTestRun = {
       commit_branch: ghRepository.branch,
-      commit_message: 'lastest commit',
+      commit_message: 'latest commit',
       commit_sha: ghRepository.ref,
       id: 'b6512323-3a11-43ac-b4e4-9668b6a6b30c',
       number: 11,
diff --git a/packages/cli/test/unit/commands/ci/run.unit.test.ts b/packages/cli/test/unit/commands/ci/run.unit.test.ts
index e49e1694e2..56fbc33cc3 100644
--- a/packages/cli/test/unit/commands/ci/run.unit.test.ts
+++ b/packages/cli/test/unit/commands/ci/run.unit.test.ts
@@ -19,7 +19,7 @@ describe('ci:run', () => {
     }
     const newTestRun = {
       commit_branch: ghRepository.branch,
-      commit_message: 'lastest commit',
+      commit_message: 'latest commit',
       commit_sha: ghRepository.ref,
       id: 'b6512323-3a11-43ac-b4e4-9668b6a6b30c',
       number: 11,
diff --git a/packages/cli/test/unit/commands/pipelines/connect.unit.test.ts b/packages/cli/test/unit/commands/pipelines/connect.unit.test.ts
index e0eecda6d4..d240426392 100644
--- a/packages/cli/test/unit/commands/pipelines/connect.unit.test.ts
+++ b/packages/cli/test/unit/commands/pipelines/connect.unit.test.ts
@@ -13,7 +13,7 @@ describe('pipelines:connect', () => {
       .it('displays an error')
   })
 
-  describe('with an account connected to Github', () => {
+  describe('with an account connected to GitHub', () => {
     test
       .nock('https://kolkrabbi.heroku.com', kolkrabbi => {
         const kolkrabbiAccount = {
diff --git a/packages/cli/test/unit/commands/pipelines/diff.unit.test.ts b/packages/cli/test/unit/commands/pipelines/diff.unit.test.ts
index f90735febf..ff4f702a6d 100644
--- a/packages/cli/test/unit/commands/pipelines/diff.unit.test.ts
+++ b/packages/cli/test/unit/commands/pipelines/diff.unit.test.ts
@@ -23,7 +23,7 @@ describe('pipelines:diff', function () {
     stage: 'staging',
   }
 
-  const targetGithubApp = {
+  const targetGitHubApp = {
     repo: 'heroku/example-app',
   }
 
@@ -40,7 +40,7 @@ describe('pipelines:diff', function () {
     stage: 'production',
   }
 
-  const downstreamApp1Github = {
+  const downstreamApp1GitHub = {
     repo: 'heroku/example-app',
   }
 
@@ -57,7 +57,7 @@ describe('pipelines:diff', function () {
     stage: 'production',
   }
 
-  const downstreamApp2Github = {
+  const downstreamApp2GitHub = {
     repo: 'heroku/some-other-app',
   }
 
@@ -121,9 +121,9 @@ describe('pipelines:diff', function () {
         .nock(kolkrabbiApi, api => {
           api
             .get(`/apps/${downstreamApp1.id}/github`)
-            .reply(200, downstreamApp1Github)
+            .reply(200, downstreamApp1GitHub)
             .get(`/apps/${downstreamApp2.id}/github`)
-            .reply(200, downstreamApp2Github)
+            .reply(200, downstreamApp2GitHub)
         })
     }
 
@@ -143,7 +143,7 @@ describe('pipelines:diff', function () {
       .nock(kolkrabbiApi, api => {
         api
           .get(`/apps/${targetApp.id}/github`)
-          .reply(200, targetGithubApp)
+          .reply(200, targetGitHubApp)
       })
       .command(['pipelines:diff', `--app=${targetApp.name}`])
       .catch(error => {
@@ -155,7 +155,7 @@ describe('pipelines:diff', function () {
       .nock(kolkrabbiApi, api => {
         api
           .get(`/apps/${targetApp.id}/github`)
-          .reply(200, targetGithubApp)
+          .reply(200, targetGitHubApp)
       })
       .nock(apiUrl, api => {
         api
@@ -180,11 +180,11 @@ describe('pipelines:diff', function () {
         .nock(kolkrabbiApi, api => {
           api
             .get(`/apps/${targetApp.id}/github`)
-            .reply(200, targetGithubApp)
+            .reply(200, targetGitHubApp)
             .get(`/apps/${downstreamApp1.id}/github`)
-            .reply(200, downstreamApp1Github)
+            .reply(200, downstreamApp1GitHub)
             .get(`/apps/${downstreamApp2.id}/github`)
-            .reply(200, downstreamApp2Github)
+            .reply(200, downstreamApp2GitHub)
             .get('/account/github/token')
             .reply(200, {github: {token: 'github-token'}})
         })
@@ -228,7 +228,7 @@ describe('pipelines:diff', function () {
       })
       .nock(githubApi, api => {
         api
-          .get(`/repos/${targetGithubApp.repo}/compare/${hashes[1]}...${hashes[0]}`)
+          .get(`/repos/${targetGitHubApp.repo}/compare/${hashes[1]}...${hashes[0]}`)
           .reply(404)
       })
       .command(['pipelines:diff', `--app=${targetApp.name}`])
diff --git a/packages/cli/tsconfig.json b/packages/cli/tsconfig.json
index 49e4efb725..bd91617d27 100644
--- a/packages/cli/tsconfig.json
+++ b/packages/cli/tsconfig.json
@@ -1,6 +1,6 @@
 {
   "compilerOptions": {
-    "allowJs": true, // allowed to support run-foreman.js. Should be removed when that funcitonality is refactored.
+    "allowJs": true, // allowed to support run-foreman.js. Should be removed when that functionality is refactored.
     "declaration": true,
     "forceConsistentCasingInFileNames": true,
     "importHelpers": true,
diff --git a/scripts/postrelease/change_management b/scripts/postrelease/change_management
index 3aec992eb1..a8a957aa63 100755
--- a/scripts/postrelease/change_management
+++ b/scripts/postrelease/change_management
@@ -10,7 +10,7 @@ if (!isStableRelease(GITHUB_REF_TYPE, GITHUB_REF_NAME)) {
 
 const REQUEST_PROMISE = require('promise-request-retry')
 
-// Set these in Github Actions in the heroku/cli project
+// Set these in GitHub Actions in the heroku/cli project
 //
 const TPS_API_APP_ID = process.env.TPS_API_APP_ID
 const TPS_API_RELEASE_ACTOR_EMAIL = process.env.TPS_API_RELEASE_ACTOR_EMAIL