Ignoring file 'google.list.save.1' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension

Question

When I run sudo apt-get update it returns:

What should I do?

Answer 1

Nothing to worry about. .save file is created when you edit files with nano. Somethimes when you force quite the editor save file is left over. When you delete google.list.save.1 it will remove the error in apt