How to change your URL
Once you have created a page or post in WordPress it gives you a suggested URL based on your title. You can change this at any time by doing the following.
Open your page or post in WordPress to edit it.
Click the Edit button next to your permalink or URL.
Make any changes to your URL. You can not make changes to the base part of your URL which is your domain. This is fixed. It is simply the address of the page or post that your are editing here.
Click OK once you have made your changes.
Click on Update to save changes to your page/post.