diff --git a/save_gcn.py b/save_gcn.py
index 7487fed..db5cfca 100644
--- a/save_gcn.py
+++ b/save_gcn.py
@@ -1,5 +1,5 @@
 #!/usr/bin/env python3
-# Andreas Goulas <goulasand@gmail.com>
+# Andreas Goulas <goulasand@gmail.com> | first creation
 # Nikolaos Gkalelis <gkalelis@iti.gr> | 23/4/2021 | minor changes (main(), etc.)
 
 import argparse