title: Pluralize 'Point of Interest' in Rails
body: <p>How can I pluralize <em>Point of Interest</em>?</p>
  
  <p>So that <code>PointOfInterest</code> becomes <code>PointsOfInterest</code>, <code>point_of_interest</code> should become <code>points_of_interest</code> and so on.</p>