diff --git a/lib/validation/dispatchervalidation.inc.php b/lib/validation/dispatchervalidation.inc.php
index 1ff177e..faccadc 100644
--- a/lib/validation/dispatchervalidation.inc.php
+++ b/lib/validation/dispatchervalidation.inc.php
@@ -369,7 +369,7 @@ class KTDispatcherValidation {
         if (!ereg ("^[^@ ]+@[^@ ]+\.[^@ \.]+$", $sEmailAddress )) {
             $aOptions['message'] = KTUtil::arrayGet($aOptions,
                                                     'message', 
-                                                    _kt("An invalid email address was given"));
+                                                    _kt("This is not a valid email address."));
             $this->handleError($aOptions);
         }
         return $sEmailAddress;
diff --git a/plugins/ktcore/KTColumns.inc.php b/plugins/ktcore/KTColumns.inc.php
index 630b429..fff0475 100644
--- a/plugins/ktcore/KTColumns.inc.php
+++ b/plugins/ktcore/KTColumns.inc.php
@@ -5,7 +5,7 @@
 require_once(KT_LIB_DIR . '/browse/advancedcolumns.inc.php');
 
 class AdvancedTitleColumn extends AdvancedColumn {
-
+    var $name = 'title';
     var $namespace = 'ktcore.columns.title';
     var $sortable = true;
     var $aOptions = array();
@@ -104,6 +104,8 @@ class AdvancedTitleColumn extends AdvancedColumn {
  */
 
 class AdvancedDateColumn extends AdvancedColumn {
+    var $name = 'datecolumn';
+
     var $document_field_function;
     var $folder_field_function;
     var $sortable = true;