--- a/mod_csi_grace_period/mod_csi_grace_period.lua	Sun Mar 29 15:09:25 2020 +0200
+++ b/mod_csi_grace_period/mod_csi_grace_period.lua	Sat May 09 21:14:36 2020 +0200
@@ -24,6 +24,7 @@
 		end
 		if (os.time() - user_session.grace_time_start) < grace_period then
 			session.log("debug", "Within grace period, probably seen");
+			event.reason = "grace period";
 			return false;
 		end
 	end