diff --git a/Troubleshooting.md b/Troubleshooting.md
index f693838..dc92a60 100644
--- a/Troubleshooting.md
+++ b/Troubleshooting.md
@@ -20,6 +20,8 @@ If unicode characters are not showing correctly, please check the following:
 - Check locale settings (see https://github.com/jarun/nnn/issues/1145)
 - Confirm the DE isn't blocking it (see https://github.com/jarun/nnn/issues/1139)
 
+## Tmux configuration
+
 #### Keyboard
 
 `nnn` may not handle keypresses correctly when used with tmux (see issue #104 for more details). Set `TERM=xterm-256color` to address it.