diff --git a/service/gcbrun_experiment.py b/service/gcbrun_experiment.py
index bbebcf1b9..ef28bc768 100644
--- a/service/gcbrun_experiment.py
+++ b/service/gcbrun_experiment.py
@@ -16,6 +16,7 @@
 """Entrypoint for gcbrun into run_experiment. This script will get the command
 from the last PR comment containing "/gcbrun" and pass it to run_experiment.py
 which will run an experiment."""
+# a dummy comment!
 
 import logging
 import os