diff --git a/.bash_profile b/.bash_profile
index 0ed7c80..30f35d7 100644
--- a/.bash_profile
+++ b/.bash_profile
@@ -4,6 +4,9 @@
 
 [[ -f ~/.bashrc ]] && . ~/.bashrc
 
+
+# Set numlock if running in tty.
+# (numlock for X is set in ~/.xinitrc)
 case $(tty) in /dev/tty[0-9]*)
 	setleds -D +num ;;
 esac