diff --git a/core/misc/dropbutton/dropbutton.base.css b/core/misc/dropbutton/dropbutton.base.css
index 3c3683b..4b87ff6 100644
--- a/core/misc/dropbutton/dropbutton.base.css
+++ b/core/misc/dropbutton/dropbutton.base.css
@@ -19,7 +19,7 @@
   position: relative;
   float: left;
 }
-.js .dropbutton-wrapper.processed {
+.js .dropbutton-wrapper.width-processed {
   float: none;
 }
 .js .dropbutton-wrapper,
@@ -41,7 +41,7 @@
 }
 
 
-.js .dropbutton-widget.processed {
+.js .dropbutton-widget.width-processed {
   position: absolute;
 }
 /* UL styles are over-scoped in core, so this selector needs weight parity. */
diff --git a/core/misc/dropbutton/dropbutton.js b/core/misc/dropbutton/dropbutton.js
index 8e067c1..d952f00 100644
--- a/core/misc/dropbutton/dropbutton.js
+++ b/core/misc/dropbutton/dropbutton.js
@@ -23,10 +23,10 @@ Drupal.behaviors.dropButton = {
       // Set the width of the first dropbutton to that of the widest dropbutton
       // to prevent button text overflow on small screens.
       $($dropbuttons[0]).width($widestButton);
-      // Add a class to the dropbutton-wrapper and dropbutton-widget html
+      // Add a class to the dropbutton-wrapper and dropbutton-widget HTML
       // elements. This enables styles to be applied that ensure the
       // dropbutton text displays correctly.
-      $('.js .dropbutton-wrapper, .js .dropbutton-widget').addClass('processed');
+      $('.js .dropbutton-wrapper, .js .dropbutton-widget').addClass('width-processed');
     }
   }
 };
@@ -180,8 +180,7 @@ Drupal.DropButton = DropButton;
 *   The width to compare against $button.
 *
 * @return {String}
-*   The largest width value.
-*
+*   The larger value after comparing the widths of $button and $widestButton.
 */
 function dropbuttonGetMaxWidth($button, $widestButton) {
   var buttonWidth = $('.dropbutton-widget', $button).outerWidth();