Tweak docstring

Author: MasterKale

_app/webauthnio/settings.py

@@ -4,7 +4,7 @@
 # Build paths inside the project like this: BASE_DIR / 'subdir'.
 BASE_DIR = Path(__file__).resolve().parent.parent
 
-# Get path to the file containing the secret (this is a Docker-specific method)
+# Get the path to the file containing the secret
 _secret_key_file_path = os.getenv("DJANGO_SECRET_KEY_FILE")
 if not _secret_key_file_path:
     raise Exception("DJANGO_SECRET_KEY_FILE must be a file path string")