diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 08b297a..2f58fc9 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -4,7 +4,7 @@ on: # rebuild any PRs and main branch changes
   pull_request:
   push:
     branches:
-      - master
+      - main
       - 'releases/*'
 
 jobs:
diff --git a/README.md b/README.md
index 5a4e23e..5ea1fb9 100644
--- a/README.md
+++ b/README.md
@@ -1,12 +1,12 @@
 # Delete Package Versions
 
-This action deletes versions of a package from [GitHub Packages](https://github.com/features/packages). 
+This action deletes versions of a package from [GitHub Packages](https://github.com/features/packages).
 
 ### What It Can Do
 
 * Delete a single version
 * Delete multiple versions
-* Delete specific version(s) 
+* Delete specific version(s)
 * Delete oldest version(s)
 * Delete version(s) of a package that is hosted in the same repo that is executing the workflow
 * Delete version(s) of a package that is hosted in a different repo than the one executing the workflow
@@ -19,7 +19,7 @@ This action deletes versions of a package from [GitHub Packages](https://github.
   # Can be a single package version id, or a comma separated list of package version ids.
   # Defaults to an empty string.
   package-version-ids:
-  
+
   # Owner of the repo hosting the package.
   # Defaults to the owner of the repo executing the workflow.
   # Required if deleting a version from a package hosted in a different repo than the one executing the workflow.
@@ -77,7 +77,7 @@ __Example__
 
 To delete a specific version of a package that is hosted in a different repo than the one executing the workflow the __package-version-ids__, and __token__ inputs are required.
 
-Package version ids can be retrieved via the [GitHub GraphQL API][api]. 
+Package version ids can be retrieved via the [GitHub GraphQL API][api].
 
 The [token][token] only needs the delete packages scope. It is recommended [to store the token as a secret][secret]. In this example the [token][token] was stored as a secret named __GITHUB_PAT__.
 
@@ -94,7 +94,7 @@ __Example__
 
 ### Delete multiple specific versions of a package hosted in the same repo as the workflow
 
-To delete multiple specifc versions of a package that is hosted in the same repo that is executing the workflow the __package-version-ids__ input is required. 
+To delete multiple specifc versions of a package that is hosted in the same repo that is executing the workflow the __package-version-ids__ input is required.
 
 The __package-version-ids__ input should be a comma separated string of package version ids. Package version ids can be retrieved via the [GitHub GraphQL API][api].
 
@@ -110,7 +110,7 @@ __Example__
 
 ### Delete multiple specific versions of a package hosted in a different repo than the workflow
 
-To delete multiple specifc versions of a package that is hosted in a different repo than the one executing the workflow the __package-version-ids__, and __token__ inputs are required. 
+To delete multiple specifc versions of a package that is hosted in a different repo than the one executing the workflow the __package-version-ids__, and __token__ inputs are required.
 
 The __package-version-ids__ input should be a comma separated string of package version ids. Package version ids can be retrieved via the [GitHub GraphQL API][api].
 
@@ -191,7 +191,7 @@ Delete the oldest 3 version of a package hosted in a different repo than the one
 - uses: actions/delete-package-versions@v1
   with:
     owner: 'github'
-    repo: 'packages'  
+    repo: 'packages'
     package-name: 'test-package'
     num-old-versions-to-delete: 3
     token: ${{ secrets.GITHUB_PAT }}
@@ -199,9 +199,8 @@ Delete the oldest 3 version of a package hosted in a different repo than the one
 
 # License
 
-The scripts and documentation in this project are released under the [MIT License](https://github.com/actions/delete-package-versions/blob/master/LICENSE)
+The scripts and documentation in this project are released under the [MIT License](https://github.com/actions/delete-package-versions/blob/main/LICENSE)
 
 [api]: https://developer.github.com/v4/previews/#github-packages
 [token]: https://help.github.com/en/packages/publishing-and-managing-packages/about-github-packages#about-tokens
 [secret]: https://help.github.com/en/actions/configuring-and-managing-workflows/creating-and-storing-encrypted-secrets
-