Index: wp-admin/includes/class-wp-list-table.php
===================================================================
--- wp-admin/includes/class-wp-list-table.php	(revision 18905)
+++ wp-admin/includes/class-wp-list-table.php	(working copy)
@@ -685,7 +685,7 @@
 					$class[] = $desc_first ? 'asc' : 'desc';
 				}
 
-				$column_display_name = '<a href="' . esc_url( add_query_arg( compact( 'orderby', 'order' ), $current_url ) ) . '"><span>' . $column_display_name . '</span><span class="sorting-indicator"></span></a>';
+				$column_display_name = '<a href="' . esc_url( add_query_arg( compact( 'orderby', 'order' ), $current_url ) ) . '"><span>' . $column_display_name . '<span class="sorting-indicator"></span></span></a>';
 			}
 
 			$id = $with_id ? "id='$column_key'" : '';