Merge pull request #1115 from homebysix/patch-1

Fix grammar of check-shebang-scripts error

pre_commit_hooks/check_shebang_scripts_are_executable.py

@@ -36,7 +36,7 @@ def _message(path: str) -> None:
         f'`chmod +x {shlex.quote(path)}`\n'
         f'  If on Windows, you may also need to: '
         f'`git add --chmod=+x {shlex.quote(path)}`\n'
-        f'  If it not supposed to be executable, double-check its shebang '
+        f'  If it is not supposed to be executable, double-check its shebang '
         f'is wanted.\n',
         file=sys.stderr,
     )