diff --git a/README.md b/README.md
index 3267cda..3262019 100644
--- a/README.md
+++ b/README.md
@@ -139,3 +139,5 @@ Maintained by the platform team.
 ## Run B merge check
 
 This draft is reserved for the Run B merge transition check.
+
+Contributions are welcome; please open an issue before a large change.