diff --git a/aio/content/guide/upgrade.md b/aio/content/guide/upgrade.md
index 132d24c5b7..a539d4f254 100644
--- a/aio/content/guide/upgrade.md
+++ b/aio/content/guide/upgrade.md
@@ -932,7 +932,7 @@ The `useHash` property defaults to `false`, and the `hashPrefix` defaults to an
 
 ```ts
 LocationUpgradeModule.config({
-  useHash: true
+  useHash: true,
   hashPrefix: '!'
 })
 ```