diff --git a/android/src/main/java/io/invertase/googlemobileads/ReactNativeGoogleMobileAdsModule.kt b/android/src/main/java/io/invertase/googlemobileads/ReactNativeGoogleMobileAdsModule.kt
index 26608868..29c57164 100644
--- a/android/src/main/java/io/invertase/googlemobileads/ReactNativeGoogleMobileAdsModule.kt
+++ b/android/src/main/java/io/invertase/googlemobileads/ReactNativeGoogleMobileAdsModule.kt
@@ -95,6 +95,11 @@ class ReactNativeGoogleMobileAdsModule(
   @ReactMethod
   fun initialize(promise: Promise) {
     MobileAds.initialize(
+      // in react-native, the Activity instance *may* go away, becoming null after initialize
+      // it is not clear if that can happen here without an initialize necessarily following the Activity lifecycle
+      // it is not clear if that will cause problems even if it happens, but users that have widely deployed this
+      // with the use of currentActivity have not seen problems
+      // reference if it needs attention: https://github.com/invertase/react-native-google-mobile-ads/pull/664
       currentActivity ?: reactApplicationContext,
       OnInitializationCompleteListener { initializationStatus ->
         val result = Arguments.createArray()