diff --git ruleset.action.inc ruleset.action.inc
index c68f6ae..15a0ae0 100644
--- ruleset.action.inc
+++ ruleset.action.inc
@@ -86,8 +86,10 @@ function views_bulk_operations_ruleset_action_form($context) {
     $form[$key] = array(
       '#type' => 'textarea',
       '#title' => $argument['label'],
-      '#description' => t('Argument of type %type. Enter PHP script that will return a value for this argument. 
-                           The variables <code>$object</code> and <code>$context</code> are available to this script.',
+      '#description' => t('Argument of type %type. Enter PHP script that will return a value for this argument.
+                           Note that Rules expects a entire object (eg $node) rather than an id (eg nid).
+                           The variables <code>$object</code> and <code>$context</code> are available to this script.
+                           Do not include &lt;?php and ?&gt; tags.',
         array('%type' => $argument['type'])
       ),
       '#default_value' => @$context['args'][$key],
diff --git views_bulk_operations.rules.inc views_bulk_operations.rules.inc
index 1f3e935..aa7a277 100644
--- views_bulk_operations.rules.inc
+++ views_bulk_operations.rules.inc
@@ -7,9 +7,15 @@
 function views_bulk_operations_rules_action_info_alter(&$actions) {
   foreach (module_invoke_all('views_bulk_operations_object_info') as $type => $info) {
     $actions['views_bulk_operations_action_' . $type] = array(
-      'label' => t('Execute a VBO programmatically on !type', array('!type' => $type)),
+      'label' => t('Use !type object to execute a VBO programmatically', array('!type' => $type)),
       // Make sure there is something passed for $object to the action.
-      'arguments' => array('object' => array('type' => $type, 'label' => t('Object'))),
+      'arguments' => array(
+        'object' => array(
+          'type' => $type,
+          'label' => t('Object'),
+          'description' => t('The chosen object will be loaded as the $object variable, available below.'),
+        ),
+      ),
       'module' => 'Views Bulk Operations',
       'eval input' => array(),
       // Let the rules system for executing core style actions execute it.