diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 11452ecf..ea9fa915 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -42,5 +42,6 @@ Guidelines](https://opensource.google/conduct/).
 - Use lowercase letters.
 - Separate words with hyphens.
 - Use descriptive names that reflect the purpose of the branch.
+- Add `issue tracker id`
 
 **Example:** feature/gcp-compute-engine-support
\ No newline at end of file