diff --git a/blog/2023-02-21-deprecated-callback-removed.md b/blog/2023-02-21-deprecated-callback-removed.md
index 93175e59..0a37e65b 100644
--- a/blog/2023-02-21-deprecated-callback-removed.md
+++ b/blog/2023-02-21-deprecated-callback-removed.md
@@ -27,7 +27,7 @@ Example of a correct callback signature:
 
 ```python
 @callback
-def async_correct_callback(msg: msg: ReceiveMessage) -> None:
+def async_correct_callback(msg: ReceiveMessage) -> None:
     """Callback example 1."""
     ...
 ```