diff --git a/lib/graphql/subscriptions/action_cable_subscriptions.rb b/lib/graphql/subscriptions/action_cable_subscriptions.rb
index cb2ec270e1..c58d8f7c29 100644
--- a/lib/graphql/subscriptions/action_cable_subscriptions.rb
+++ b/lib/graphql/subscriptions/action_cable_subscriptions.rb
@@ -35,7 +35,7 @@ class Subscriptions
     #       }
     #
     #       result = MySchema.execute(
-    #         query: query,
+    #         query,
     #         context: context,
     #         variables: variables,
     #         operation_name: operation_name