diff --git a/Themes/_fallback/metrics.ini b/Themes/_fallback/metrics.ini
index 01dfe9c4c6..f51adbe98e 100644
--- a/Themes/_fallback/metrics.ini
+++ b/Themes/_fallback/metrics.ini
@@ -1198,6 +1198,9 @@ BlinkPlayersBest=true
 ScreenInitCommand=
 ScreenOnCommand=
 AllowOperatorMenuButton=true
+# This metric is only for people who know what they are doing. If you set this
+# to false, you are expected to know how to cancel screens in Lua. (coincidentally,
+# that would be SCREENMAN:GetTopScreen():Cancel(), for people who aren't AJ ;) )
 HandleBackButton=true
 RepeatRate=-1
 RepeatDelay=-1