diff --git a/admin/inc/class.admin_cmd_category.inc.php b/admin/inc/class.admin_cmd_category.inc.php
index b900b67fde..7059cde539 100644
--- a/admin/inc/class.admin_cmd_category.inc.php
+++ b/admin/inc/class.admin_cmd_category.inc.php
@@ -17,8 +17,8 @@ use EGroupware\Api;
  * @property-read string $app app whos category to change (Categories->app_name)
  * @property-read array $set category data to set, value of null or "" to remove
  * @property-read array $old old values to record
- * @property-read int $cat_id Category ID
- * @property-read string $cat_name Category name at the time of the change
+ * @property int $cat_id Category ID
+ * @property string $cat_name Category name at the time of the change
  */
 class admin_cmd_category extends admin_cmd
 {
diff --git a/admin/inc/class.admin_cmd_change_pw.inc.php b/admin/inc/class.admin_cmd_change_pw.inc.php
index 2e54fef6fa..7577cd6599 100644
--- a/admin/inc/class.admin_cmd_change_pw.inc.php
+++ b/admin/inc/class.admin_cmd_change_pw.inc.php
@@ -14,6 +14,8 @@ use EGroupware\Api;
 
 /**
  * admin command: change the password of a given user
+ *
+ * @property int $account Account ID
  */
 class admin_cmd_change_pw extends admin_cmd
 {
diff --git a/admin/inc/class.admin_cmd_delete_category.inc.php b/admin/inc/class.admin_cmd_delete_category.inc.php
index 070a40464a..713002c229 100644
--- a/admin/inc/class.admin_cmd_delete_category.inc.php
+++ b/admin/inc/class.admin_cmd_delete_category.inc.php
@@ -16,9 +16,9 @@ use EGroupware\Api;
  *
  * @property-read string $app app whos category to delete (Categories->app_name)
  * @property-read array $set category data to set, value of null or "" to remove
- * @property-read array $old old values to record
+ * @property array $old old values to record
  * @property-read int $cat_id category ID to delete
- * @property-read string $cat_name Category name at the time of the change
+ * @property string $cat_name Category name at the time of the change
  * @property-read boolean $subs Delete subs as well
  */
 class admin_cmd_delete_category extends admin_cmd
@@ -62,7 +62,7 @@ class admin_cmd_delete_category extends admin_cmd
 	protected function exec($check_only=false)
 	{
 		$cats = new Api\Categories('',$this->app);
-		if(!$this->old && $this->cat_id)
+		if(empty($this->old) && $this->cat_id)
 		{
 			$this->old = $cats->read($this->cat_id);
 		}