diff --git a/README.md b/README.md
index 6b3894b5..1e964ba8 100644
--- a/README.md
+++ b/README.md
@@ -20,10 +20,14 @@ A [shadowsocks](http://shadowsocks.org) client for Android, written in Kotlin.
 
 ### BUILD
 
+You can check whether the latest commit builds under UNIX environment by checking Travis status.
+Building on Windows is also possible since [#1570](https://github.com/shadowsocks/shadowsocks-android/pull/1570),
+but probably painful. Further contributions regarding building on Windows are also welcome.
+
 * Set environment variable `ANDROID_HOME` to `/path/to/android-sdk`
 * (optional) Set environment variable `ANDROID_NDK_HOME` to `/path/to/android-ndk` (default: `$ANDROID_HOME/ndk-bundle`)
 * Set environment variable `GOROOT_BOOTSTRAP` to `/path/to/go`
-* Fetch submodules using `$ git submodule update --init --recursive`
+* Clone the repo using `git clone --recurse-submodules <repo>` or update submodules using `git submodule update --init --recursive`
 * Build it using Android Studio or gradle script
 
 ### TRANSLATE