diff --git a/.changeset/modern-waves-lay.md b/.changeset/modern-waves-lay.md
new file mode 100644
index 0000000000..c0d9804379
--- /dev/null
+++ b/.changeset/modern-waves-lay.md
@@ -0,0 +1,5 @@
+---
+'@backstage/create-app': patch
+---
+
+Add a comment to the default backend about the fallback 404 handler.
diff --git a/packages/create-app/templates/default-app/packages/backend/src/index.ts b/packages/create-app/templates/default-app/packages/backend/src/index.ts
index fbeabcff36..08d21e61f7 100644
--- a/packages/create-app/templates/default-app/packages/backend/src/index.ts
+++ b/packages/create-app/templates/default-app/packages/backend/src/index.ts
@@ -81,6 +81,8 @@ async function main() {
   apiRouter.use('/techdocs', await techdocs(techdocsEnv));
   apiRouter.use('/proxy', await proxy(proxyEnv));
   apiRouter.use('/search', await search(searchEnv));
+
+  // Add backends ABOVE this line; this 404 handler is the catch-all fallback
   apiRouter.use(notFoundHandler());
 
   const service = createServiceBuilder(module)