I accidentally made two 'about' pages in wordpress 4.0. I erased one of them, and emptied the trash, so there was only one 'about' page. Now in the url, the permalink says 'about-2'. How do I get rid of that?
Edit the post and under the title you will see something like:
Permalink: http://example.com/about-2/ Edit View Page Get Shortlink
Click the Edit button and remove the "-2" or remove all the text in that box and click "OK". Then update the page and the url should be "about"