diff --git a/contents.css b/contents.css
index 9a4bf81219b..bef3ebc8b1b 100644
--- a/contents.css
+++ b/contents.css
@@ -23,7 +23,7 @@ body
 	font-size: 13px;
 	line-height: 1.6;
 
-	/* 10488 fix for lack of scrollbars with RTL texts */
+	/* Fix for missing scrollbars with RTL texts. (#10488) */
 	word-wrap: break-word;
 }