Update comment

Co-authored-by: Andrei Litvin <andy314@gmail.com>

Author: vatsalghelani-csa

scripts/tests/py/metadata.py

@@ -138,7 +138,7 @@ def __resolve_env_vals__(self, metadata_dict: Dict[str, str]) -> None:
 
     def __read_args__(self,run_args_lines: List[str],metadata_dict: Dict[str, str]) -> None:
         """
-        Goes these each raw line in argument header of a test script and extracts argument
+        Parses a list of lines and extracts argument
         values from it.
 
         Parameters: