diff --git a/.github/CONTRIBUTING.md b/.github/CONTRIBUTING.md
index fcb992a..fd9dfab 100644
--- a/.github/CONTRIBUTING.md
+++ b/.github/CONTRIBUTING.md
@@ -23,7 +23,7 @@ This course is currently in production. It was designed to meet the learning out
     - to change the starter code for the learner, edit the [template repository](https://lab.github.com/docs/course-ownership-and-repositories#the-repositories)
 1. Commit your changes to your fork.
 1. Open a pull request with:
-    - base branch: the master branch of this repository
+    - base branch: the main branch of this repository
     - compare branch: the branch containing your commits in your fork
 1. Wait for a review from the Learning Lab team, which will be automatically requested
 
@@ -61,4 +61,4 @@ There are many ways you can contribute! Here are just a few:
 
 ### Releasing
 
-When your course branch has been merged into `master`, the [course version](https://lab.github.com/docs/course-versioning) on Learning Lab will automatically update and any new learners will receive the updated version of the course. There are no additional requirements on your part.
\ No newline at end of file
+When your course branch has been merged into `main`, the [course version](https://lab.github.com/docs/course-versioning) on Learning Lab will automatically update and any new learners will receive the updated version of the course. There are no additional requirements on your part.
\ No newline at end of file
diff --git a/README.md b/README.md
index f9c1246..f68f391 100644
--- a/README.md
+++ b/README.md
@@ -14,9 +14,9 @@ For more information on the goals of this course, check out the [`course-details
 
 ## Contribute
 
-See something we could improve? Check out the contributing guide in the [community contributors repository](https://github.com/githubtraining/community-contributors/blob/master/CONTRIBUTING.md) for more information on the types of contributions we :heart: and instructions.
+See something we could improve? Check out the contributing guide in the [community contributors repository](https://github.com/githubtraining/community-contributors/blob/main/CONTRIBUTING.md) for more information on the types of contributions we :heart: and instructions.
 
-We :heart: our community and take great care to ensure it is fun, safe and rewarding. Please review our [Code of Conduct](https://github.com/githubtraining/community-contributors/blob/master/CODE_OF_CONDUCT.md) for community expectations and guidelines for reporting concerns.
+We :heart: our community and take great care to ensure it is fun, safe and rewarding. Please review our [Code of Conduct](https://github.com/githubtraining/community-contributors/blob/main/CODE_OF_CONDUCT.md) for community expectations and guidelines for reporting concerns.
 
 ## License
 
diff --git a/config.yml b/config.yml
index 9b023da..c59af26 100644
--- a/config.yml
+++ b/config.yml
@@ -8,7 +8,7 @@ template:
   name: hello-github-actions
   repo: hello-github-actions-template
 before:
-  # protect the master branch
+  # protect the main branch
   - type: updateBranchProtection
 
   # open issue 1 (welcome)
@@ -18,7 +18,7 @@ before:
     comments:
       - 00.1_first-steps.md
     data:
-      dockerfileUrl: "%payload.repository.html_url%/new/master?filename=action-a/Dockerfile"
+      dockerfileUrl: "%payload.repository.html_url%/new/main?filename=action-a/Dockerfile"
 
 # Repo artifacts:
 # Issue 1: Welcome
diff --git a/responses/00.1_first-steps.md b/responses/00.1_first-steps.md
index 941e1f8..440e6f0 100644
--- a/responses/00.1_first-steps.md
+++ b/responses/00.1_first-steps.md
@@ -43,7 +43,7 @@ Our action will use a Docker container so it will require a `Dockerfile`. Let's
 
 1. Commit your file
    - If you're working locally, you will also need stage your file and to push the branch to GitHub.
-1. Open a pull request with your new branch against `master`
+1. Open a pull request with your new branch against `main`
 
 <hr>
 <h3 align="center">I'll respond in your new pull request with next steps.</h3>
diff --git a/responses/06.0_workflow-success.md b/responses/06.0_workflow-success.md
index ea50eaf..0b481db 100644
--- a/responses/06.0_workflow-success.md
+++ b/responses/06.0_workflow-success.md
@@ -6,11 +6,11 @@ You should see the string "Hello world, I'm Mona!" printed at the bottom to `std
 
 ## Step 7: Incorporate the workflow
 
-As a final step, merge this pull request so the action will be a part of the `master` branch.
+As a final step, merge this pull request so the action will be a part of the `main` branch.
 
 Anyone that uses this repository, and any future code can benefit from this workflow and your new action!
 
-### :keyboard: Activity: Merge your workflow into the `master` branch
+### :keyboard: Activity: Merge your workflow into the `main` branch
 
 1. Merge this pull request
 1. Delete your branch