diff --git a/docs_src/body_multiple_params/tutorial001.py b/docs_src/body_multiple_params/tutorial001.py
index a73975b3a..4af88e07d 100644
--- a/docs_src/body_multiple_params/tutorial001.py
+++ b/docs_src/body_multiple_params/tutorial001.py
@@ -22,7 +22,7 @@ async def update_item(
 ):
     results = {"item_id": item_id}
     if q:
-        results.update({"q": q})
+        results["q"] = q
     if item:
-        results.update({"item": item})
+        results["item"] = item
     return results