diff --git a/website/docs/guided-tour/updating-data/graphql-subscriptions.md b/website/docs/guided-tour/updating-data/graphql-subscriptions.md
index a8699767025ce..8e36ffc74c9ff 100644
--- a/website/docs/guided-tour/updating-data/graphql-subscriptions.md
+++ b/website/docs/guided-tour/updating-data/graphql-subscriptions.md
@@ -100,7 +100,7 @@ const {useMemo} = require('React');
 function useFeedbackSubscription(
   input: FeedbackLikeSubscribeData,
 ) {
-  const config = useMemo({
+  const config = useMemo(() => ({
     subscription: graphql`
       subscription FeedbackLikeSubscription(
         $input: FeedbackLikeSubscribeData!
@@ -113,7 +113,7 @@ function useFeedbackSubscription(
       }
     `,
     variables: {input},
-  }, [input])
+  }), [input]);
 
   return useSubscription(config);
 }