Merge pull request #16897 from twbs/fix-16893

Customizer: Clarify that Collapse requires Component animations

docs/customize.html

@@ -231,31 +231,32 @@ 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">
           <label>
             <input type="checkbox" checked value="dropdowns.less">
-            Dropdowns
+            Dropdown
           </label>
         </div>
         <div class="checkbox">
           <label>
             <input type="checkbox" checked value="tooltip.less">
-            Tooltips
+            Tooltip
           </label>
         </div>
         <div class="checkbox">
           <label>
             <input type="checkbox" checked value="popovers.less">
-            Popovers
+            Popover
           </label>
         </div>
         <div class="checkbox">
           <label>
             <input type="checkbox" checked value="modals.less">
-            Modals
+            Modal
           </label>
         </div>
         <div class="checkbox">