* Clarify squash and merge default commit message Originally reported in https://github.com/github/coding/issues/1865, a customer was confused to find that merge commits don't count toward the total count of commits to determine this default squash merge commit message. * Update content/github/collaborating-with-pull-requests/incorporating-changes-from-a-pull-request/about-pull-request-merges.md Co-authored-by: mc <42146119+mchammer01@users.noreply.github.com>