diff --git a/productMods/edit/forms/css/addAuthorsToInformationResource.css b/productMods/edit/forms/css/addAuthorsToInformationResource.css
index cc6e39ed..e9c526d5 100644
--- a/productMods/edit/forms/css/addAuthorsToInformationResource.css
+++ b/productMods/edit/forms/css/addAuthorsToInformationResource.css
@@ -10,7 +10,8 @@
 }
 
 /* Use class dd rather than jQuery UI's class ui-sortable, so that we can remove
- * the class if there's fewer than one author. 
+ * the class if there's fewer than one author. We don't want to remove the ui-sortable
+ * class, in case we want to re-enable DD without a page reload. 
  */
 #authorships.dd li {
     padding-left: 1em;
diff --git a/productMods/edit/forms/js/addAuthorsToInformationResource.js b/productMods/edit/forms/js/addAuthorsToInformationResource.js
index f7c97a85..fe88b424 100644
--- a/productMods/edit/forms/js/addAuthorsToInformationResource.js
+++ b/productMods/edit/forms/js/addAuthorsToInformationResource.js
@@ -655,10 +655,14 @@ var addAuthorForm = {
     // Disable DD and associated cues if only one author remains
     disableAuthorDD: function() {
     	var authorships = $('#authorships'),
-            authorship = $('.authorship'),
             authorNameWrapper = $('.authorNameWrapper');
             
     	authorships.sortable({ disable: true } );
+        
+        // Use class dd rather than jQuery UI's class ui-sortable, so that we can remove
+        // the class if there's fewer than one author. We don't want to remove the ui-sortable
+        // class, in case we want to re-enable DD without a page reload (e.g., if implementing
+        // adding an author via Ajax request). 
         authorships.removeClass('dd');
               
     	authorNameWrapper.removeAttr('title');