diff --git a/lib/public/LDAP/ILDAPProvider.php b/lib/public/LDAP/ILDAPProvider.php
index cbd5c353c5d7bcdf94273a8ec75c95c596f81861..0baee4254e0225735184d6d3809ad605d10dc676 100644
--- a/lib/public/LDAP/ILDAPProvider.php
+++ b/lib/public/LDAP/ILDAPProvider.php
@@ -164,7 +164,7 @@ interface ILDAPProvider {
 	 * @param string $attribute the name of the attribute to read
 	 * @return string|null
 	 * @throws \Exception if user id was not found in LDAP
-	 * @since 22.0.0
+	 * @since 21.0.0
 	 */
 	public function getUserAttribute(string $uid, string $attribute): ?string;
 }