diff --git a/src/HTMLForm/TOTPEnableForm.php b/src/HTMLForm/TOTPEnableForm.php
index 8f765249..d79137c7 100644
--- a/src/HTMLForm/TOTPEnableForm.php
+++ b/src/HTMLForm/TOTPEnableForm.php
@@ -68,6 +68,7 @@ class TOTPEnableForm extends OATHAuthOOUIHTMLForm {
 			->margin( 0 )
 			->build();
 
+		// messages used: oathauth-step1, oathauth-step2, oathauth-step3, oathauth-step4
 		return [
 			'app' => [
 				'type' => 'info',
diff --git a/src/Notifications/Manager.php b/src/Notifications/Manager.php
index 3aea5303..67df3699 100644
--- a/src/Notifications/Manager.php
+++ b/src/Notifications/Manager.php
@@ -50,6 +50,7 @@ class Manager {
 			return;
 		}
 		Event::create( [
+			// message used: notification-header-oathauth-disable
 			'type' => 'oathauth-disable',
 			'title' => SpecialPage::getTitleFor( 'Preferences' ),
 			'agent' => $oUser->getUser(),
@@ -70,6 +71,7 @@ class Manager {
 			return;
 		}
 		Event::create( [
+			// message used: notification-header-oathauthenable
 			'type' => 'oathauth-enable',
 			'title' => SpecialPage::getTitleFor( 'Preferences' ),
 			'agent' => $oUser->getUser(),