diff --git a/gui/basic_regression.bash b/gui/basic_regression.bash
index 9bf4b7d8..e1033d37 100755
--- a/gui/basic_regression.bash
+++ b/gui/basic_regression.bash
@@ -75,6 +75,7 @@ RSLTS_DIR=${RSLTS_DIR:-basic_regression_results_$DATESTR}
 AP_AUTO_CFG=ben
 WCT_CFG=ben
 DPT_CFG=ben
+# Change testbed_poll.pl if scenario changes below.
 SCENARIO=tip-auto
 RPT_TMPDIR=${MY_TMPDIR}/lf_reports