To edit or change the list name in the URL, you need the following:
1. Site Collection Administration acces (SCA)
2. SharePoint Designer 2010
Open the site in SPD. Click on “All Files” then choose Lists. Select the list that you want to edit or change then right click and choose “Rename”.
Open the site in SPD. Click on “All Files” then choose Lists. Select the list that you want to edit or change then right click and choose “Rename”.
That’s it J