Add instructions for Rails 2 vs Rails 3

README.rdoc

@@ -1,5 +1,4 @@
-ThinkingTank
-=============
+= ThinkingTank
 
 ActiveRecord extension that allows to define models that should be indexed 
 in an existing IndexTank index. It supports a very similar syntax to 
@@ -21,18 +20,29 @@ Indexed fields in ActiveRecord are prepended an underscore when sent to
 IndexTank so if you plan to write query strings that use your field names you 
 will have to prepend the underscore to the field names.
 
+== Rails 2
 In order for the ThinkingTank rake tasks to be available you need to add:
 
     require 'thinkingtank/tasks'
-
-to your Rakefile. You can use the following task to reindex your entire database:
 
-    rake indextank:reindex
+to your Rakefile.
+
+== Rails 3
+Just add
+
+    gem 'thinkingtank', '>=0.0.5'
+
+to your Gemfile, and you're done!
 
 
-Example
-=======
+== Rails 2 and 3
+For both versions of Rails, you can use the following task to reindex your
+entire database:
 
+    rake indextank:reindex
+
+
+== Example
 Sample config/indextank.yml file:
 
         development:
@@ -62,6 +72,6 @@ Sample query code:
     Person.search("john OR stacey")
     Person.search("stacey", :conditions => { :age => 25 } )
     Person.search("james", :conditions => { :age => 25 , :gender => "female" } )
-
 
-Copyright(c) 2010 Flaptor Inc.
+
+Copyright (c) 2010 Flaptor Inc.