diff --git a/README.rdoc b/README.rdoc
index 4ac1ada..374816f 100644
--- a/README.rdoc
+++ b/README.rdoc
@@ -33,12 +33,16 @@ think should be a valid date or time string.
 
 As plugin (from master)
 
-  ./script/plugin git://github.com/adzap/validates_timeliness.git
+  ./script/plugin install git://github.com/adzap/validates_timeliness.git
 
 As gem
 
   sudo gem install validates_timeliness
 
+  # in environment.rb
+
+  config.gem 'validates_timeliness'
+
 
 == USAGE: