diff --git a/src/strands/handlers/callback_handler.py b/src/strands/handlers/callback_handler.py
index e46cb326a..4b794b4f8 100644
--- a/src/strands/handlers/callback_handler.py
+++ b/src/strands/handlers/callback_handler.py
@@ -17,10 +17,10 @@ def __call__(self, **kwargs: Any) -> None:
 
         Args:
             **kwargs: Callback event data including:
-            - reasoningText (Optional[str]): Reasoning text to print if provided.
-            - data (str): Text content to stream.
-            - complete (bool): Whether this is the final chunk of a response.
-            - current_tool_use (dict): Information about the current tool being used.
+                - reasoningText (Optional[str]): Reasoning text to print if provided.
+                - data (str): Text content to stream.
+                - complete (bool): Whether this is the final chunk of a response.
+                - current_tool_use (dict): Information about the current tool being used.
         """
         reasoningText = kwargs.get("reasoningText", False)
         data = kwargs.get("data", "")