Update clientlib.py

line too long fix

pre_commit/clientlib.py

@@ -128,8 +128,8 @@ def check(self, dct: Dict[str, Any]) -> None:
                     f'(moving tag / branch).  Mutable references are never '
                     f'updated after first install and are not supported.  '
                     f'See https://pre-commit.com/#using-the-latest-version-for-a-repository '  # noqa: E501
-                    f'for more details.'
-                    f'\nTo remove this warning consider running autoupdate via:'
+                    f'for more details. '
+                    f'To remove this warning consider running autoupdate via: '
                     f'`pre-commit autoupdate --repo {dct["repo"]}`',
                 )