diff --git a/yaclog_ksp/__main__.py b/yaclog_ksp/__main__.py
index 938474e..a98fca6 100644
--- a/yaclog_ksp/__main__.py
+++ b/yaclog_ksp/__main__.py
@@ -92,6 +92,7 @@ def main(inpath, outpath, name):
                     v_node.add_value('change', change)
 
     with open(outpath, 'w') as fp:
+        fp.write('// Changelog file generated by yaclog-ksp (https://github.com/drewcassidy/yaclog-ksp)')
         fp.write('KERBALCHANGELOG\n')
         fp.write(str(node))