diff --git a/demos/effect_types/default.html b/demos/effect_types/default.html
index f2c375d65..3f2fe0c13 100644
--- a/demos/effect_types/default.html
+++ b/demos/effect_types/default.html
@@ -191,7 +191,7 @@
 
 <div class="demo-description">
 
-<p>Click anywhere in the dialog above to preview the effect.</p>
+<p>Click anywhere in the dialog above to preview the effect, click again to revert it.</p>
 
 </div><!-- End demo-description -->