diff --git a/ios/engine/KMEI/KeymanEngine/Classes/InputViewController.swift b/ios/engine/KMEI/KeymanEngine/Classes/InputViewController.swift
index b53f57918b..e84a445e84 100644
--- a/ios/engine/KMEI/KeymanEngine/Classes/InputViewController.swift
+++ b/ios/engine/KMEI/KeymanEngine/Classes/InputViewController.swift
@@ -172,6 +172,8 @@ open class InputViewController: UIInputViewController, KeymanWebDelegate {
   open override func viewWillDisappear(_ animated: Bool) {
     //Manager.shared.isSystemKeyboard = false
     super.viewWillDisappear(animated)
+    // Necessary for existing infrastructure to resend info for the keyboard after reloading
+    // as system keyboard.
     Manager.shared.shouldReloadKeyboard = true
   }