diff --git a/Developers'-Guide.md b/Developers'-Guide.md
index 84e42ed..cf39203 100644
--- a/Developers'-Guide.md
+++ b/Developers'-Guide.md
@@ -29,6 +29,7 @@ This guide is written with OS X in mind.
 
 ### Building Status for Release
     $ lein prod-build
+    # fill in store file properties in android/gradle.properties
     $ react-native run-android --variant=release
     # for iOS, build in Xcode