diff --git a/README.md b/README.md
index 5cb7d29..142ced8 100644
--- a/README.md
+++ b/README.md
@@ -7,6 +7,8 @@ A global proxy for go modules. see: [https://goproxy.io](https://goproxy.io)
     It invokes the local go command to answer requests.
 
 ## Build
+    git clone https://github.com/goproxyio/goproxy.git
+    cd goproxy
     make
 
 ## Started