diff --git a/apps/user_ldap/lib/Events/GroupBackendRegistered.php b/apps/user_ldap/lib/Events/GroupBackendRegistered.php
index 99912e7a1e..dc8cb8be86 100644
--- a/apps/user_ldap/lib/Events/GroupBackendRegistered.php
+++ b/apps/user_ldap/lib/Events/GroupBackendRegistered.php
@@ -30,6 +30,11 @@ use OCA\User_LDAP\GroupPluginManager;
 use OCA\User_LDAP\IGroupLDAP;
 use OCP\EventDispatcher\Event;
 
+/**
+ * This event is triggered right after the LDAP group backend is registered.
+ *
+ * @since 20.0.0
+ */
 class GroupBackendRegistered extends Event {
 
 	/** @var GroupPluginManager */
diff --git a/apps/user_ldap/lib/Events/UserBackendRegistered.php b/apps/user_ldap/lib/Events/UserBackendRegistered.php
index eb869c8e12..9e40340d45 100644
--- a/apps/user_ldap/lib/Events/UserBackendRegistered.php
+++ b/apps/user_ldap/lib/Events/UserBackendRegistered.php
@@ -30,6 +30,11 @@ use OCA\User_LDAP\IUserLDAP;
 use OCA\User_LDAP\UserPluginManager;
 use OCP\EventDispatcher\Event;
 
+/**
+ * This event is triggered right after the LDAP user backend is registered.
+ *
+ * @since 20.0.0
+ */
 class UserBackendRegistered extends Event {
 
 	/** @var IUserLDAP */