diff --git a/examples/basic/stream_items.py b/examples/basic/stream_items.py
index c1f2257a5..9ba01accf 100644
--- a/examples/basic/stream_items.py
+++ b/examples/basic/stream_items.py
@@ -6,6 +6,7 @@
 
 @function_tool
 def how_many_jokes() -> int:
+    """Return a random integer of jokes to tell between 1 and 10 (inclusive)."""
     return random.randint(1, 10)