Fix tmux status bar

tmux.conf

@@ -1,7 +1,7 @@
 # tmux.conf
 # SETUP_LOAD: source "DOTFILES_DIR/tmux.conf"
 
-run-shell 'tmux set -g status-right "${USER}@`hostname` | `tmux -V` "'
+run-shell 'tmux set -g status-right "${USER}@`hostname` | `tmux -V`_"'
 
 run-shell 'tmux set -g status-bg "$_HOSTCOLOR_1" >/dev/null'
 run-shell 'tmux set -g status-fg "$_HOSTCOLOR_2" >/dev/null'