Fix a few characters for tmux#2128

dgageot merged 1 commit intodocker:maindocker/docker-agent:mainfrom

dgageot:board/in-tmux-the-split-screen-handle-isn-t-as-a6ceba2edgageot/cagent:board/in-tmux-the-split-screen-handle-isn-t-as-a6ceba2eCopy head branch name to clipboard