diff --git a/docs/en/docs/tutorial/bigger-applications.md b/docs/en/docs/tutorial/bigger-applications.md
index daa7353a2..26d26475f 100644
--- a/docs/en/docs/tutorial/bigger-applications.md
+++ b/docs/en/docs/tutorial/bigger-applications.md
@@ -377,7 +377,7 @@ The `router` from `users` would overwrite the one from `items` and we wouldn't b
 
 So, to be able to use both of them in the same file, we import the submodules directly:
 
-```Python hl_lines="4"
+```Python hl_lines="5"
 {!../../../docs_src/bigger_applications/app/main.py!}
 ```