diff --git a/styles/notion.css b/styles/notion.css
index 6224faa..e7405cd 100644
--- a/styles/notion.css
+++ b/styles/notion.css
@@ -326,6 +326,7 @@
   );
 }
 
+/* disable highlighting in dark mode */
 [data-theme='dark'] .notion-red_background,
 [data-theme='dark'] .notion-pink_background,
 [data-theme='dark'] .notion-blue_background,