diff --git a/dsl-reference.md b/dsl-reference.md
index 88da86ba..78e9f8c2 100644
--- a/dsl-reference.md
+++ b/dsl-reference.md
@@ -2103,7 +2103,7 @@ do:
         operation: chat-inbox
         protocol: http
         subscription:
-          correlation: ${ . == $workflow.input.chat.roomId } 
+          filter: ${ . == $workflow.input.chat.roomId } 
           consume:
             until: '${ ($context.messages | length) == 5 }'
             for: