diff --git a/lib/private/LanguageModel/TaskBackgroundJob.php b/lib/private/LanguageModel/TaskBackgroundJob.php
index f58510a9e3f..0a33f54e89e 100644
--- a/lib/private/LanguageModel/TaskBackgroundJob.php
+++ b/lib/private/LanguageModel/TaskBackgroundJob.php
@@ -41,6 +41,8 @@ class TaskBackgroundJob extends QueuedJob {
 		private IEventDispatcher $eventDispatcher,
 	) {
 		parent::__construct($timeFactory);
+		// We want to avoid overloading the machine with these jobs
+		// so we only allow running one job at a time
 		$this->setAllowParallelRuns(false);
 	}