diff --git a/README.md b/README.md
index eff8a556..c4e577b5 100644
--- a/README.md
+++ b/README.md
@@ -121,6 +121,7 @@ Attribute is useful for sub-group of domains, especially for filtering purpose.
 
 ## Contribution guideline
 
+* Fork this repo, make modifications to your own repo, file a PR.
 * Please begin with small size PRs, say modification in a single file.
 * A PR must be reviewed and approved by another member.
 * After a few successful PRs, you may apply for manager access of this repository.