diff --git a/docs/en/docs/tutorial/query-params-str-validations.md b/docs/en/docs/tutorial/query-params-str-validations.md
index 7a9bc4875..5ec7b85f1 100644
--- a/docs/en/docs/tutorial/query-params-str-validations.md
+++ b/docs/en/docs/tutorial/query-params-str-validations.md
@@ -21,7 +21,7 @@ The query parameter `q` is of type `Union[str, None]` (or `str | None` in Python
 !!! note
     FastAPI will know that the value of `q` is not required because of the default value `= None`.
 
-    The `Union` in `Union[str, None]` will allow your editor to give you better support and detect errors.
+    The `| None` in `q: str | None` is not used by FastAPI, but will allow your editor to give you better support and detect errors.
 
 ## Additional validation