The question mark in the VCS segment shows that you have untracked files in your checkout.

You can go two paths from here:

1. Never show untracked files
   To completely disable checking for untracked files, you could set `POWERLEVEL9K_VCS_GIT_HOOKS=(vcs-detect-changes git-aheadbehind git-stash git-remotebranch git-tagname)` (git-untracked removed here. This will disable it for once and for all.
2. Switch to a fancier icon set
   P9K is capable of showing fancier icons if you want. You just need to install another font (e.g. https://github.com/ryanoasis/nerd-fonts ) and set POWERLEVEL9K_MODE=”nerdfont-complete”