diff --git a/IOS_SETUP.md b/IOS_SETUP.md
index 371ebb1..b7f54fd 100644
--- a/IOS_SETUP.md
+++ b/IOS_SETUP.md
@@ -30,6 +30,7 @@ import workmanager
 ```
 
 ``` swift
+// In AppDelegate.application method
 WorkmanagerPlugin.registerTask(withIdentifier: "task-identifier")
 ```