Correct the changelog entry for the syntax error message for multiple exception types (GH-26038)

(cherry picked from commit c1df880)

Co-authored-by: Thomas Grainger <[email protected]>

Author: miss-islington

Doc/whatsnew/3.10.rst

@@ -238,7 +238,7 @@ have been incorporated. Some of the most notable ones:
 
     (Contributed by Pablo Galindo in :issue:`43822`)
 
-* Exception groups without parentheses:
+* Multiple Exception types without parentheses:
 
     .. code-block:: python