diff --git a/templates/settings.tmpl b/templates/settings.tmpl
index d8ede87..2773deb 100644
--- a/templates/settings.tmpl
+++ b/templates/settings.tmpl
@@ -31,7 +31,7 @@
 	</div>
 	<div class="settings-form-field">
 		<input id="fluoride-mode" name="fluoride_mode" type="checkbox" value="true" {{if .Settings.FluorideMode}}checked{{end}}>
-		<label for="fluoride-mode"> Enable fluoride mode </label>
+		<label for="fluoride-mode"> Enable <abbr title="Enable JavaScript based functionality, e.g., like/retweet without page reload and reply preview on thread page">fluoride mode</abbr> </label>
 	</div>
 	<div class="settings-form-field">
 		<input id="dark-mode" name="dark_mode" type="checkbox" value="true" {{if .Settings.DarkMode}}checked{{end}}>