Readme.md in mina-1.0.3 vs Readme.md in mina-1.0.4

@@ -22,9 +22,11 @@
 , Mina only creates a SSH session and sends *one* command.
 
     $ gem install mina
     $ mina init
 
+Mina requires ruby 2.0.0 or greater. For older please use [0.3.8 version](https://github.com/mina-deploy/mina/blob/v0.3.8/)
+
 Documentation
 ----------------
 
 For quick start check out [Getting starting guide](docs/getting_started.md)