Index: categories_event_handler.php
===================================================================
--- categories_event_handler.php	(revision 14472)
+++ categories_event_handler.php	(working copy)
@@ -228,6 +228,11 @@
 			$this->Application->StoreVar('IsRootCategory_'.$this->Application->GetVar('m_wid'), ($category_id === '0') || ($category_id == $home_category));
 
 			parent::OnEdit($event);
+
+			if ($event->status == erSUCCESS) {
+				// keep "Section Properties" link (in browse modes) clean
+				$this->Application->DeleteVar('admin');
+			}
 		}
 
 		/**