You'll need to change the titles in iTunes and then re-sync to the iPod. All song hygiene is done within iTunes. There is very little to do (other than ratings and the on-the-go playlist) via the iPod.
This thread has been closed by the system or the community team.
You may vote for any posts you find helpful, or search the Community for additional answers.
A way to change song titles?
Welcome to Apple Support Community
A forum where Apple customers help each other with their products. Get started with your Apple Account.