diff --git a/Dockerfile b/Dockerfile
index 9ae86956a..2a7c61c5e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -177,6 +177,8 @@ ENV S6_BEHAVIOUR_IF_STAGE2_FAILS=2
 ENV S6_CMD_WAIT_FOR_SERVICES=1
 ENV S6_CMD_WAIT_FOR_SERVICES_MAXTIME=0
 # Give services (including Frigate) 30 seconds to stop before killing them
+# But this is not working currently because of:
+# https://github.com/just-containers/s6-overlay/issues/503
 ENV S6_SERVICES_GRACETIME=30000
 # Configure logging to prepend timestamps, log to stdout, keep 1 archive and rotate on 10MB
 ENV S6_LOGGING_SCRIPT="T 1 n1 s10000000 T"