diff --git a/balancer/ringhash/ringhash.go b/balancer/ringhash/ringhash.go
index 8f20410ecf07..acd9ae3afe40 100644
--- a/balancer/ringhash/ringhash.go
+++ b/balancer/ringhash/ringhash.go
@@ -21,6 +21,11 @@
 // - https://github.com/grpc/proposal/blob/master/A42-xds-ring-hash-lb-policy.md
 // - https://github.com/grpc/proposal/blob/master/A61-IPv4-IPv6-dualstack-backends.md#ring-hash
 // - https://github.com/grpc/proposal/blob/master/A76-ring-hash-improvements.md
+//
+// # Experimental
+//
+// Notice: This package is EXPERIMENTAL and may be changed or removed in a
+// later release.
 package ringhash
 
 import (