diff --git a/.tmux.conf b/.tmux.conf
index 50c6659..6c47c38 100644
--- a/.tmux.conf
+++ b/.tmux.conf
@@ -1,3 +1,6 @@
+# vim: ft=tmux ts=2 et:
+
+# leader binding
 unbind C-b
 set -g prefix M-a
 
@@ -132,5 +135,3 @@ set-option -g status-right ''
 
 set-option -g status-right-length 1000
 set-option -g status-left-length 60
-
-# vim:ft=sh