diff --git a/js/app/views/ExplorerUI.js b/js/app/views/ExplorerUI.js
index 44c28ff..315cf4e 100644
--- a/js/app/views/ExplorerUI.js
+++ b/js/app/views/ExplorerUI.js
@@ -205,7 +205,7 @@ Ext.define('amdaUI.ExplorerUI', {
                 {
                     text: 'Name',  
                     scope : this,                    
-                    tooltip: { text: 'Sort out Local Data by Mission name', align: 'bl-tl' },
+                    tooltip: { text: 'Sort out AMDA DataBase Data by Mission Name', align: 'bl-tl' },
                     pressed: true,
                     enableToggle : true, 
                     toggleGroup: 'sorting',
@@ -224,7 +224,7 @@ Ext.define('amdaUI.ExplorerUI', {
                 {
                     text: 'Target',  
                     scope : this,                   
-                    tooltip: { text: 'Sort Out Local Data by Mission main target', align: 'bl-tl' },  
+                    tooltip: { text: 'Sort out AMDA DataBase Data by Mission Main Target', align: 'bl-tl' },  
                     enableToggle : true, 
                     toggleGroup: 'sorting',
                     handler: function(){  
@@ -262,7 +262,7 @@ Ext.define('amdaUI.ExplorerUI', {
                 nodeType : treeType             
              },
             model: 'amdaModel.AmdaNode',
-            sorters:[{ property:'leaf', direction: 'DES' }, 
+            sorters:[{ direction: 'DES' }, 
                     {  sorterFn: function(o1, o2){                     
                         if (o1.get('nodeType') !== 'localParam')
                             return;  
--
libgit2 0.21.2