diff --git a/setup/setup.tmux.md b/setup/setup.tmux.md
index 1d6f0d5..a25c0f5 100644
--- a/setup/setup.tmux.md
+++ b/setup/setup.tmux.md
@@ -1,11 +1,11 @@
 # tmux
 
-# create new tmux session
+## create new tmux session
 ```shell
 tuxifier new-session default
 ```
 
-# add following script
+## add following script
 ```shell
 if initialize_session "default"; then