diff --git a/README.md b/README.md
index 54e0fd0..c5c62bf 100644
--- a/README.md
+++ b/README.md
@@ -31,8 +31,15 @@ or download from:
 
 ## Using
 
-```
+``` bash
 androidsdk [options]
 ```
 
+### Use custom sdk root dir 
+
+``` bash
+androidsdk --sdk_root /my/sdk/root/dir [options]
+
+```
+
 [Androidsdk options](https://developer.android.com/studio/command-line/sdkmanager)