diff --git a/node_notify.module b/node_notify.module
index fccd60e..3c08997 100644
--- a/node_notify.module
+++ b/node_notify.module
@@ -870,3 +870,37 @@ function node_notify_log($subscription, $notification, $comment, $message = NULL
     ), WATCHDOG_ERROR);
   }
 }
+
+/**
+ * Implements hook_variable_group_info
+ */
+function node_notify_variable_group_info() {
+  $groups['node_notify_settings'] = array(
+    'title' => t('Node Notify settings'),
+    'access' => 'administer site configuration',
+  );
+  return $groups;
+}
+
+/**
+ * Implements hook_variable_info
+ */
+function node_notify_variable_info($options) {
+  $variable['node_notify_template_subject'] = array(
+    'title' => t('Notification template subject'),
+    'description' => t('The subject of the notification email message.'),
+    'type' => 'string',
+    'group' => 'node_notify_settings',
+    'default' => NODE_NOTIFY_DEFAULT_NOTIFICATION_SUBJECT,
+  );
+  $variable['node_notify_template_body'] = array(
+    'title' => t('Notification template body'),
+    'description' => t('The body of the notification email message.'),
+    'type' => 'string',
+    'group' => 'node_notify_settings',
+    'default' => NODE_NOTIFY_DEFAULT_NOTIFICATION_BODY,
+  );
+
+  return $variable;
+}
+