diff --git a/src/uncategorized/storyCaption.tw b/src/uncategorized/storyCaption.tw
index 884228afd8c6e9f8feed39643007dd9ba542f629..9ba48acaca095631bf9df4da1229d16c448d9cab 100644
--- a/src/uncategorized/storyCaption.tw
+++ b/src/uncategorized/storyCaption.tw
@@ -59,6 +59,7 @@
 	<span id="endWeekButton"><strong><<link [[($nextButton)|($nextLink)]]>>
 	<<resetAssignmentFilter>> /* very important! */
 	<</link>></strong></span> @@.cyan;[Ent]@@
+	<<if $rulesError>><br>@@.yellow; WARNING: some custom rules will change slave variables@@<</if>>
 <<else>>
 	<span id="nextButton"> /* target for miscWidgets' <<UpdateNextButton>> */
 		<strong><<link "$nextButton">> /* must use link so spacebar shortcut will work */