diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 8a8d4d4..f5d9532 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -49,6 +49,12 @@ The overall project structure is illustrated below:
 
 ## Conventions
 
+Please read through below conventions before contributions.
+
+### PullRequest conventions
+
+- Use [Conventional Commits specification](https://www.conventionalcommits.org/en/v1.0.0/) to standardize PR title.
+
 ### Code conventions
 
 - [Go Code Review Comments](https://github.com/golang/go/wiki/CodeReviewComments)