title: Custom Post type categories
body: <p>I've created a custom post type "<strong>Portfolio</strong>" in my wordpress site and also I've created a category section for this custom post type with category slug "<strong>port-cate</strong>". </p>
  
  <p>The permalinks to the "<strong>Portfolio</strong>" posts are like this:</p>
  
  <p><strong>mysite.com/portfolio/post-name/</strong></p>
  
  <p>but the category url is </p>
  
  <p><strong>mysite.com/port-cate/category-slug/</strong></p>
  
  <p>my question is: How can I create the category url for this post type like</p>
  
  <p><strong>mysite.com/portfolio/category/category-slug/</strong></p>
  
  <p>Please help me.</p>