diff --git a/README.md b/README.md
index 8ef7698..0aad7ef 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,13 @@
-The init task for hyper.
-exec ./autogen.sh to compile hyperinit
+# The init Task for Hyper
+
+You can get binary installer of Hyper and HyperStart through [The Hyper Page](https://github.com/hyperhq/hyper)
+
+## Build from source 
+
+clone this repo, and make sure have build-essentials installed. Go into the working copy and
+
+    > ./autogen.sh
+    > ./configure
+    > make
+
+Then you can find `hyper-initrd.img` in build directory, together with a pre-build kernel.