Add description to category pages
Category pages are a useful place for visitors to your site to see all posts in a certain category. However, it's a good idea to personalise them a little -- Google and other search engines like unique pages, and index pages don't count as unique, unfortunately!
Luckily, there's an easy way to personalise category pages -- just add a description. This could be just a one-paragraph blurb about the topic, that will appear at the top of the page above the list of posts from the category.
How to add a description to category pages?
In your WordPress dashboard, go to "posts" in the sidebar and choose "categories". Then select the category you'd like to work on from the list, and click on the title or "edit" button.
When you're in the edit screen, you'll see a description box -- add a paragraph of text and click the "update" button at the bottom of the page.