diff --git a/mkdocs_gen_files/editor.py b/mkdocs_gen_files/editor.py
index b6b8c5f..793c508 100644
--- a/mkdocs_gen_files/editor.py
+++ b/mkdocs_gen_files/editor.py
@@ -45,6 +45,7 @@ def _get_file(self, name: str, new: bool = False) -> str:
             dest_dir=self.config["site_dir"],
             use_directory_urls=self.config["use_directory_urls"],
         )
+        new_f.generated_by = "mkdocs-gen-files"  # type: ignore
         normname = pathlib.PurePath(name).as_posix()
 
         if new or normname not in self._files: