Help reseting or changing the "Terminal" directory

My issue resolves around the directory that my installation of Terminal references.

I installed Zsh to customize my terminal look and feel, but then uninstalled the application. I now get this:

Last login: Mon Dec 31 10:25:01 on ttys000

/Users/mmredfern/.zshrc:source:34: no such file or directory: /Users/mmredfern/.oh-my-zsh/oh-my-zsh.sh

unknown109addc014d0% whoami

mmredfern

unknown109addc014d0%

I have looked for information on how to reset the directory in the preferences/sharing / file sharing

afp://unknown109addc014d0/ or “Mark-Redfern”.

I cannot see the .oh-my-zsh directory (obviously its hidden).

Any help or advice would be greatly appreciated.

Regards,

Mark