diff --git a/src/lib/API/Facade/UserFacade.php b/src/lib/API/Facade/UserFacade.php
index cf64cde..2412dc4 100644
--- a/src/lib/API/Facade/UserFacade.php
+++ b/src/lib/API/Facade/UserFacade.php
@@ -148,7 +148,7 @@ private function loadLegacyUserGroupByName(string $userGroupName): UserGroup
                     return $this->userService->loadUserGroup($content->contentInfo->id);
                 }
             }
-            usleep(500000);
+            usleep(500000); # 0.5 second
             --$iteration_count;
         }