diff --git a/dotfiles-old/bin/mnt b/dotfiles-old/bin/mnt
index 45152da..dfc27f5 100755
--- a/dotfiles-old/bin/mnt
+++ b/dotfiles-old/bin/mnt
@@ -6,7 +6,7 @@ MNT="/mnt"
 
 # preliminary checks
 [ -n "$2" ] || [ -z "$1" ] \
-	&& printf "Usage: %b [device in %b/]" "$0" "$DEV" >>/dev/stderr \
+	&& printf "Usage: %b [device in %b/]\n" "$0" "$DEV" >>/dev/stderr \
 	&& exit 1 \
 	|| true
 ! [ "$(id -u)" = 0 ] \