title: Rails controller naming convention postsComments or postComments
body: <p>If I'd like to generate a controller for comments that belongs to a post which in turn belongs to a user, should I name this</p>
  
  <pre><code>rails g controller postsComments
  </code></pre>
  
  <p>Or</p>
  
  <pre><code>rails g controller postComments
  </code></pre>
  
  <p>Or </p>
  
  <pre><code>rails g controller postcomments
  </code></pre>
  
  <p>Or just</p>
  
  <pre><code>rails g controller comments
  </code></pre>