README.rdoc in vvm-rb-0.1.6 vs README.rdoc in vvm-rb-0.2.0

@@ -5,12 +5,16 @@
 {<img src="https://travis-ci.org/calorie/vvm-rb.png" />}[https://travis-ci.org/calorie/vvm-rb]
 {<img src="https://coveralls.io/repos/calorie/vvm-rb/badge.png" alt="Coverage Status" />}[https://coveralls.io/r/calorie/vvm-rb]
 {<img src="https://codeclimate.com/github/calorie/vvm-rb.png" />}[https://codeclimate.com/github/calorie/vvm-rb]
 
 
-vim version manager : fork from https://github.com/kana/vim-version-manager
+vim version manager : forked from https://github.com/kana/vim-version-manager
 
+== Requirements
+
+ruby >= 1.9
+
 == Install
 
   $ gem install vvm-rb
 
 or
@@ -23,16 +27,16 @@
 == Usage
 please add the following line into your ~/.bash_login etc:
 
   test -f ~/.vvm-rb/etc/login && source ~/.vvm-rb/etc/login
 
-you can set own root.
+you can set own root:
 
   export VVMROOT=/your/vvm-rb/root/path
   test -f $VVMROOT/etc/login && source $VVMROOT/etc/login
 
-you can set your default options of configure.
+you can set your default options of configure:
 
   export VVMOPT="--enable-rubyinterp --enable-pythoninterp"
 
 == Commands Examples
 
@@ -45,10 +49,10 @@
   $ vvm-rb list
   $ vvm-rb versions
   $ vvm-rb uninstall 7.4.103
   $ vvm-rb update
 
-after use command, you have to reload shell.
+after use command, you have to reload shell:
 
   $ exec $SHELL
 
 == Uninstall