diff --git a/docs/customize.html b/docs/customize.html
index 2a80932aff..26e2a0ede8 100644
--- a/docs/customize.html
+++ b/docs/customize.html
@@ -231,7 +231,8 @@ lead: Customize Bootstrap's components, Less variables, and jQuery plugins to ge
         <div class="checkbox">
           <label>
             <input type="checkbox" checked value="component-animations.less">
-            Component animations (for JS)
+            Component animations (for JS)<br>
+            (includes Collapse)
           </label>
         </div>
         <div class="checkbox">