Be specific about the Ruby on Rails part

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@7090 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

railties/html/index.html

@@ -240,7 +240,7 @@
       <div id="content">
         <div id="header">
           <h1>Welcome aboard</h1>
-          <h2>You&rsquo;re riding the Rails!</h2>
+          <h2>You&rsquo;re riding Ruby on Rails!</h2>
         </div>
 
         <div id="about">