Fix typo in create-app package

Signed-off-by: Tim Jacomb <21194782+timja@users.noreply.github.com>

.changeset/happy-kiwis-look.md

@@ -0,0 +1,5 @@
+---
+'@backstage/create-app': patch
+---
+
+Fix typo

packages/create-app/templates/default-app/packages/backend/src/plugins/auth.ts

@@ -25,7 +25,7 @@ export default async function createPlugin(
       // This particular resolver makes all users share a single "guest" identity.
       // It should only be used for testing and trying out Backstage.
       //
-      // If you want to use a production ready resolver you can switch to the
+      // If you want to use a production ready resolver you can switch to
       // the one that is commented out below, it looks up a user entity in the
       // catalog using the GitHub username of the authenticated user.
       // That resolver requires you to have user entities populated in the catalog,