diff --git a/lib/public/BackgroundJob/Job.php b/lib/public/BackgroundJob/Job.php
index 25f57ce609..0f872355a9 100644
--- a/lib/public/BackgroundJob/Job.php
+++ b/lib/public/BackgroundJob/Job.php
@@ -136,6 +136,8 @@ abstract class Job implements IJob {
 	 *
 	 * @param $argument
 	 * @return mixed
+	 *
+	 * @since 15.0.0
 	 */
 	abstract protected function run($argument);
 }