Small readme tweak
Small readme tweak

vivekagr/tmux-resurrect,VikParuchuri/tmux-resurrect,mandrwg/tmux-resurrect,markeissler/tmux-resurrect-ng,markeissler/tmux-resurrect-ng,tmux-plugins/tmux-resurrect,wadevries/tmux-resurrect,freddiecoleman/tmux-resurrect,linpc/tmux-resurrect