diff --git a/.env.example b/.env.example
index 3f6f0c7fdc..18053683d7 100644
--- a/.env.example
+++ b/.env.example
@@ -31,6 +31,9 @@ PHANTOMJS_CLOUD_KEY='a-demo-key-with-low-quota-per-ip-address'
 LOG=single
 REQUIRE_HTTPS=false
 API_SECRET=password
+IOS_DEVICE=
+ANDROID_DEVICE=
+FCM_API_TOKEN=
 
 #TRUSTED_PROXIES=