pythongh-110383: Explained which error message is generated when ther…

…e is an unhandled exception (python#111574)

Co-authored-by: Hugo van Kemenade <hugovk@users.noreply.github.com>

Doc/tutorial/errors.rst

@@ -108,8 +108,7 @@ The :keyword:`try` statement works as follows.
 
 * If an exception occurs which does not match the exception named in the *except
   clause*, it is passed on to outer :keyword:`try` statements; if no handler is
-  found, it is an *unhandled exception* and execution stops with a message as
-  shown above.
+  found, it is an *unhandled exception* and execution stops with an error message.
 
 A :keyword:`try` statement may have more than one *except clause*, to specify
 handlers for different exceptions.  At most one handler will be executed.