diff --git a/core/themes/seven/css/theme/ckeditor-dialog.css b/core/themes/seven/css/theme/ckeditor-dialog.css
index 254e538..c135ff0 100644
--- a/core/themes/seven/css/theme/ckeditor-dialog.css
+++ b/core/themes/seven/css/theme/ckeditor-dialog.css
@@ -1,3 +1,7 @@
+/**
+ * @file
+ * CKEditor-native dialogs theming.
+ */
 .cke_dialog_background_cover {
   display: none;
 }
@@ -18,7 +22,7 @@
   background: none;
 }
 .cke_reset_all .cke_dialog_body * {
-  font: 13px/1.538em "Lucida Grande","Lucida Sans Unicode","DejaVu Sans","Lucida Sans",sans-serif;
+  font: 13px/1.538em "Lucida Grande", "Lucida Sans Unicode", "DejaVu Sans", "Lucida Sans", sans-serif;
 }
 .cke_reset_all .cke_dialog_title {
   padding: 15px 49px 15px 15px;