diff --git a/.tmux.conf b/.tmux.conf
index 96c655b..88ec95e 100644
--- a/.tmux.conf
+++ b/.tmux.conf
@@ -115,4 +115,6 @@ set-window-option -g window-status-bell-fg yellow
 set-option -g history-limit 4096
 
 # hijack the TERM variable for shells inside tmux
+# According to the tmux FAQ this MUST be "screen" or a derivative
+# http://tmux.svn.sourceforge.net/viewvc/tmux/trunk/FAQ
 set-option -g default-terminal "screen-256color"