diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index f54a9aa..9bd43ec 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -15,9 +15,9 @@ What can you do?
     - File a bug (please check its not a duplicate)
     - Propose an enhancement
 - :white_check_mark: Create a PR:
-    - Creating a failing test-case to make bug-fixing easier
+    - [Creating a failing test-case](https://github.com/danielgtaylor/python-betterproto/blob/master/betterproto/tests/README.md) to make bug-fixing easier
     - Fix any of the open issues
         - [Good first issues](https://github.com/danielgtaylor/python-betterproto/issues?q=is%3Aissue+is%3Aopen+label%3A%22good+first+issue%22)
         - [Issues with tests](https://github.com/danielgtaylor/python-betterproto/issues?q=is%3Aissue+is%3Aopen+label%3A%22has+test%22)
     - New bugfix or idea
-        - If you'd like to discuss your idea first, join us on Slack!
\ No newline at end of file
+        - If you'd like to discuss your idea first, join us on Slack!