diff --git a/content/actions/sharing-automations/creating-workflow-templates-for-your-organization.md b/content/actions/sharing-automations/creating-workflow-templates-for-your-organization.md
index 2cc1ded6de84..d2d64aa3169b 100644
--- a/content/actions/sharing-automations/creating-workflow-templates-for-your-organization.md
+++ b/content/actions/sharing-automations/creating-workflow-templates-for-your-organization.md
@@ -105,7 +105,7 @@ This procedure demonstrates how to create a workflow template and metadata file.
      * An icon from {% data variables.product.prodname_dotcom %}'s set of [Octicons](https://primer.style/octicons/). To reference an octicon, the value must be `octicon <icon name>`. For example, `octicon smiley`.
    * `categories` - **Optional.** Defines the categories that the workflow is shown under. You can use category names from the following lists:
      * General category names from the [starter-workflows](https://github.com/actions/starter-workflows/blob/main/README.md#categories) repository.
-     * Linguist languages from the list in the [linguist](https://github.com/github-linguist/linguist/blob/master/lib/linguist/languages.yml) repository.
+     * Linguist languages from the list in the [linguist](https://github.com/github-linguist/linguist/blob/main/lib/linguist/languages.yml) repository.
      * Supported tech stacks from the list in the [starter-workflows](https://github.com/github-starter-workflows/repo-analysis-partner/blob/main/tech_stacks.yml) repository.
 
    * `filePatterns` - **Optional.** Allows the workflow to be used if the user's repository has a file in its root directory that matches a defined regular expression.
diff --git a/content/apps/oauth-apps/building-oauth-apps/authenticating-to-the-rest-api-with-an-oauth-app.md b/content/apps/oauth-apps/building-oauth-apps/authenticating-to-the-rest-api-with-an-oauth-app.md
index f43fd8d99819..31ea0c442463 100644
--- a/content/apps/oauth-apps/building-oauth-apps/authenticating-to-the-rest-api-with-an-oauth-app.md
+++ b/content/apps/oauth-apps/building-oauth-apps/authenticating-to-the-rest-api-with-an-oauth-app.md
@@ -87,7 +87,7 @@ Next, in _views/index.erb_, paste this content:
 </html>
 ```
 
-(If you're unfamiliar with how Sinatra works, we recommend [reading the Sinatra guide](https://github.com/sinatra/sinatra-book/blob/master/book/Introduction.markdown#hello-world-application).)
+(If you're unfamiliar with how Sinatra works, we recommend [reading the Sinatra guide](https://github.com/sinatra/sinatra-book/blob/main/book/Introduction.markdown#hello-world-application).)
 
 Also, notice that the URL uses the `scope` query parameter to define the
 [scopes](/apps/oauth-apps/building-oauth-apps/scopes-for-oauth-apps) requested by the application. For our application, we're
diff --git a/content/communities/using-templates-to-encourage-useful-issues-and-pull-requests/syntax-for-githubs-form-schema.md b/content/communities/using-templates-to-encourage-useful-issues-and-pull-requests/syntax-for-githubs-form-schema.md
index 6643c6c306b6..104fb5a48c44 100644
--- a/content/communities/using-templates-to-encourage-useful-issues-and-pull-requests/syntax-for-githubs-form-schema.md
+++ b/content/communities/using-templates-to-encourage-useful-issues-and-pull-requests/syntax-for-githubs-form-schema.md
@@ -118,7 +118,7 @@ You can use a `textarea` element to add a multi-line text field to your form. Co
 | `description` | A description of the text area to provide context or guidance, which is displayed in the form. | {% octicon "x" aria-label="Optional" %}  | String | Empty String | {% octicon "dash" aria-label="Not applicable" %} |
 | `placeholder` | A semi-opaque placeholder that renders in the text area when empty. | {% octicon "x" aria-label="Optional" %}  | String | Empty String | {% octicon "dash" aria-label="Not applicable" %} |
 | `value` | Text that is pre-filled in the text area. | {% octicon "x" aria-label="Optional" %}  | String | {% octicon "dash" aria-label="Not applicable" %} | {% octicon "dash" aria-label="Not applicable" %} |
-| `render` | If a value is provided, submitted text will be formatted into a codeblock. When this key is provided, the text area will not expand for file attachments or Markdown editing. | {% octicon "x" aria-label="Optional" %}  | String | {% octicon "dash" aria-label="Not applicable" %} | Languages known to {% data variables.product.prodname_dotcom %}. For more information, see [the languages YAML file](https://github.com/github-linguist/linguist/blob/master/lib/linguist/languages.yml). |
+| `render` | If a value is provided, submitted text will be formatted into a codeblock. When this key is provided, the text area will not expand for file attachments or Markdown editing. | {% octicon "x" aria-label="Optional" %}  | String | {% octicon "dash" aria-label="Not applicable" %} | Languages known to {% data variables.product.prodname_dotcom %}. For more information, see [the languages YAML file](https://github.com/github-linguist/linguist/blob/main/lib/linguist/languages.yml). |
 
 #### Validations for `textarea`
 
diff --git a/content/get-started/writing-on-github/working-with-advanced-formatting/creating-and-highlighting-code-blocks.md b/content/get-started/writing-on-github/working-with-advanced-formatting/creating-and-highlighting-code-blocks.md
index 8a81f806ffdc..abb317d61851 100644
--- a/content/get-started/writing-on-github/working-with-advanced-formatting/creating-and-highlighting-code-blocks.md
+++ b/content/get-started/writing-on-github/working-with-advanced-formatting/creating-and-highlighting-code-blocks.md
@@ -66,7 +66,7 @@ This will display the code block with syntax highlighting:
 
 ![Screenshot of three lines of Ruby code as displayed on {% data variables.product.prodname_dotcom %}. Elements of the code display in purple, blue, and red type for scannability.](/assets/images/help/writing/code-block-syntax-highlighting-rendered.png)
 
-We use [Linguist](https://github.com/github-linguist/linguist) to perform language detection and to select [third-party grammars](https://github.com/github-linguist/linguist/blob/master/vendor/README.md) for syntax highlighting. You can find out which keywords are valid in [the languages YAML file](https://github.com/github-linguist/linguist/blob/master/lib/linguist/languages.yml).
+We use [Linguist](https://github.com/github-linguist/linguist) to perform language detection and to select [third-party grammars](https://github.com/github-linguist/linguist/blob/main/vendor/README.md) for syntax highlighting. You can find out which keywords are valid in [the languages YAML file](https://github.com/github-linguist/linguist/blob/main/lib/linguist/languages.yml).
 
 ## Creating diagrams
 
diff --git a/content/packages/learn-github-packages/connecting-a-repository-to-a-package.md b/content/packages/learn-github-packages/connecting-a-repository-to-a-package.md
index b81040477efa..445e1baaeeab 100644
--- a/content/packages/learn-github-packages/connecting-a-repository-to-a-package.md
+++ b/content/packages/learn-github-packages/connecting-a-repository-to-a-package.md
@@ -46,7 +46,7 @@ When you publish a package that is scoped to a personal account or an organizati
    LABEL org.opencontainers.image.source=https://{% ifversion fpt or ghec %}github.com{% else %}{% data reusables.package_registry.container-registry-example-hostname %}{% endif %}/octocat/my-repo
    ```
 
-   For more information, see "[LABEL](https://docs.docker.com/engine/reference/builder/#label)" in the official Docker documentation and "[Pre-defined Annotation Keys](https://github.com/opencontainers/image-spec/blob/master/annotations.md#pre-defined-annotation-keys)" in the `opencontainers/image-spec` repository.
+   For more information, see "[LABEL](https://docs.docker.com/engine/reference/builder/#label)" in the official Docker documentation and "[Pre-defined Annotation Keys](https://github.com/opencontainers/image-spec/blob/main/annotations.md#pre-defined-annotation-keys)" in the `opencontainers/image-spec` repository.
 
 1. Build your container image. This example builds an image from the Dockerfile in the current directory and assigns the image name `hello_docker`.
 
diff --git a/content/packages/working-with-a-github-packages-registry/working-with-the-container-registry.md b/content/packages/working-with-a-github-packages-registry/working-with-the-container-registry.md
index 649e358b05a6..bb4c409a5682 100644
--- a/content/packages/working-with-a-github-packages-registry/working-with-the-container-registry.md
+++ b/content/packages/working-with-a-github-packages-registry/working-with-the-container-registry.md
@@ -186,7 +186,7 @@ Replace `NAMESPACE` with the name of the personal account or organization to whi
 
 {% data reusables.package_registry.about-annotation-keys %} Values for supported keys will appear on the package page for the image.
 
-For most images, you can use Docker labels to add the annotation keys to an image. For more information, see [LABEL](https://docs.docker.com/engine/reference/builder/#label) in the official Docker documentation and [Pre-Defined Annotation Keys](https://github.com/opencontainers/image-spec/blob/master/annotations.md#pre-defined-annotation-keys) in the `opencontainers/image-spec` repository.
+For most images, you can use Docker labels to add the annotation keys to an image. For more information, see [LABEL](https://docs.docker.com/engine/reference/builder/#label) in the official Docker documentation and [Pre-Defined Annotation Keys](https://github.com/opencontainers/image-spec/blob/main/annotations.md#pre-defined-annotation-keys) in the `opencontainers/image-spec` repository.
 
 For multi-arch images, you can add a description to the image by adding the appropriate annotation key to the `annotations` field in the image's manifest. For more information, see "[Adding a description to multi-arch images](#adding-a-description-to-multi-arch-images)."
 
diff --git a/content/repositories/managing-your-repositorys-settings-and-features/customizing-your-repository/about-repository-languages.md b/content/repositories/managing-your-repositorys-settings-and-features/customizing-your-repository/about-repository-languages.md
index c796a4e5e89a..9e7192ce5f03 100644
--- a/content/repositories/managing-your-repositorys-settings-and-features/customizing-your-repository/about-repository-languages.md
+++ b/content/repositories/managing-your-repositorys-settings-and-features/customizing-your-repository/about-repository-languages.md
@@ -21,7 +21,7 @@ shortTitle: Repository languages
 {% data variables.product.product_name %} uses the open source [Linguist library](https://github.com/github-linguist/linguist) to
 determine file languages for syntax highlighting and repository statistics. Language statistics will update after you push changes to your default branch.
 
-Some files are hard to identify, and sometimes projects contain more library and vendor files than their primary code. If you're receiving incorrect results, please consult the Linguist [troubleshooting guide](https://github.com/github-linguist/linguist/blob/master/docs/troubleshooting.md) for help. Note that Linguist only works for repositories with fewer than 100,000 files.
+Some files are hard to identify, and sometimes projects contain more library and vendor files than their primary code. If you're receiving incorrect results, please consult the Linguist [troubleshooting guide](https://github.com/github-linguist/linguist/blob/main/docs/troubleshooting.md) for help. Note that Linguist only works for repositories with fewer than 100,000 files.
 
 ## Markup languages
 
diff --git a/content/repositories/managing-your-repositorys-settings-and-features/customizing-your-repository/licensing-a-repository.md b/content/repositories/managing-your-repositorys-settings-and-features/customizing-your-repository/licensing-a-repository.md
index 3f1c9e6f720e..a90819dc4831 100644
--- a/content/repositories/managing-your-repositorys-settings-and-features/customizing-your-repository/licensing-a-repository.md
+++ b/content/repositories/managing-your-repositorys-settings-and-features/customizing-your-repository/licensing-a-repository.md
@@ -24,7 +24,7 @@ You're under no obligation to choose a license. However, without a license, the
 
 ## Determining the location of your license
 
-Most people place their license text in a file named `LICENSE.txt` (or `LICENSE.md` or `LICENSE.rst`) in the root of the repository; [here's an example from Hubot](https://github.com/github/hubot/blob/master/LICENSE.md).
+Most people place their license text in a file named `LICENSE.txt` (or `LICENSE.md` or `LICENSE.rst`) in the root of the repository; [here's an example from Hubot](https://github.com/hubotio/hubot/blob/main/LICENSE.md).
 
 Some projects include information about their license in their README. For example, a project's README may include a note saying "This project is licensed under the terms of the MIT license."
 
diff --git a/content/repositories/working-with-files/managing-files/customizing-how-changed-files-appear-on-github.md b/content/repositories/working-with-files/managing-files/customizing-how-changed-files-appear-on-github.md
index 3911b7859c1f..83ac68b0edf4 100644
--- a/content/repositories/working-with-files/managing-files/customizing-how-changed-files-appear-on-github.md
+++ b/content/repositories/working-with-files/managing-files/customizing-how-changed-files-appear-on-github.md
@@ -26,5 +26,5 @@ Use a _.gitattributes_ file to mark files that match a given "pattern" with the
 
 ## Further reading
 
-* "[Generated code](https://github.com/github-linguist/linguist/blob/master/docs/overrides.md#generated-code)" in the Linguist documentation
+* "[Generated code](https://github.com/github-linguist/linguist/blob/main/docs/overrides.md#generated-code)" in the Linguist documentation
 * "[AUTOTITLE](/repositories/working-with-files/managing-files/creating-new-files)"
diff --git a/content/search-github/github-code-search/understanding-github-code-search-syntax.md b/content/search-github/github-code-search/understanding-github-code-search-syntax.md
index 2c7db69c1e8c..00f6c273a82f 100644
--- a/content/search-github/github-code-search/understanding-github-code-search-syntax.md
+++ b/content/search-github/github-code-search/understanding-github-code-search-syntax.md
@@ -148,7 +148,7 @@ To narrow down to a specific languages, use the `language:` qualifier. For examp
 language:ruby OR language:cpp OR language:csharp
 ```
 
-For a complete list of supported language names, see [languages.yaml](https://github.com/github-linguist/linguist/blob/master/lib/linguist/languages.yml) in [github-linguist/linguist](https://github.com/github-linguist/linguist). If your preferred language is not on the list, you can open a pull request to add it.
+For a complete list of supported language names, see [languages.yaml](https://github.com/github-linguist/linguist/blob/main/lib/linguist/languages.yml) in [github-linguist/linguist](https://github.com/github-linguist/linguist). If your preferred language is not on the list, you can open a pull request to add it.
 
 ### Path qualifier
 
diff --git a/content/search-github/searching-on-github/finding-files-on-github.md b/content/search-github/searching-on-github/finding-files-on-github.md
index 7448c8835da4..b8383d926126 100644
--- a/content/search-github/searching-on-github/finding-files-on-github.md
+++ b/content/search-github/searching-on-github/finding-files-on-github.md
@@ -51,7 +51,7 @@ By default, file finder results do not include files in the following directorie
 
 You can override these default exclusions using a `.gitattributes` file.
 
-To do this, create or update a file called `.gitattributes` in your repository root, setting the [`linguist-generated`](https://github.com/github-linguist/linguist/blob/master/docs/overrides.md) attribute to `false` for each directory that should be included in file finder results.
+To do this, create or update a file called `.gitattributes` in your repository root, setting the [`linguist-generated`](https://github.com/github-linguist/linguist/blob/main/docs/overrides.md) attribute to `false` for each directory that should be included in file finder results.
 
 For example, the following `.gitattributes` file would cause files in the `build/` directory to be available to the file finder:
 
diff --git a/content/search-github/searching-on-github/searching-code.md b/content/search-github/searching-on-github/searching-code.md
index 852ec48623dd..5d45b098765f 100644
--- a/content/search-github/searching-on-github/searching-code.md
+++ b/content/search-github/searching-on-github/searching-code.md
@@ -78,7 +78,7 @@ You can use the `path` qualifier to search for source code that appears at a spe
 
 ## Search by language
 
-You can search for code based on what language it's written in. The `language` qualifier can be the language name or alias. For a full list of supported languages with their names and aliases, see the [github-linguist/linguist repository](https://github.com/github-linguist/linguist/blob/master/lib/linguist/languages.yml).
+You can search for code based on what language it's written in. The `language` qualifier can be the language name or alias. For a full list of supported languages with their names and aliases, see the [github-linguist/linguist repository](https://github.com/github-linguist/linguist/blob/main/lib/linguist/languages.yml).
 
 | Qualifier  | Example
 | ------------- | -------------