diff --git a/standards/application/waku-api.md b/standards/application/waku-api.md
index 2b969ad..045a5b6 100644
--- a/standards/application/waku-api.md
+++ b/standards/application/waku-api.md
@@ -207,7 +207,7 @@ values:
       auto_sharding_config:
         fields:
           numShardsInCluster: 8
-      message_validation:
+      message_validation: TheWakuNetworkMessageValidation
 
   TheWakuNetworkMessageValidation:
     type: MessageValidation