Polish comment

wayblue-fix-89.sh

@@ -101,7 +101,8 @@ for file in /etc/shadow /etc/gshadow; do
 			fi
 			# We've succeeded in all our checks and for sure have a username loaded
 			# that isn't going to cause our regex to explode in terrifying ways.
-			# We're now going to load sed up and fire it at the shadowfile
+			# We're now going to load sed up and fire it at the shadowfile, making
+			# a backup along the way
 			echo "Removing from $file: $name"
 			sed --in-place=- \
 				"/^$name:/d" \