From 311d768262d45f25835da26d7b7516b940b50024 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sergio=20Valor=20Mart=C3=ADnez?= <jaildesigner@gmail.com>
Date: Thu, 14 Jan 2021 20:24:58 +0100
Subject: [PATCH] bugfixes

---
 skyscraper.sh | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/skyscraper.sh b/skyscraper.sh
index 6eae88b..b176cdf 100755
--- a/skyscraper.sh
+++ b/skyscraper.sh
@@ -4,7 +4,7 @@
 
 readonly USAGE="
 USAGE:
-$(basename "$0") [BUILD or SCRAPe] [PATH] [SYSTEM]"
+$(basename "$0") [BUILD or SCRAP] [PATH] [SYSTEM]"
 
 function help_message() {
     echo "$USAGE"
@@ -17,14 +17,14 @@ function help_message() {
 
 SYSTEMS="apple2 arcade atari2600 atari7800 atarilynx coleco gamegear gb gba gbc mastersystem megadrive msx n64 nes ngpc pcengine sega32x sg1000 snes vectrex virtualboy wonderswan wonderswancolor"
 
-# check if there is any parameter
+# check if there are all the parameters
 if [ "$#" -ne 3 ]; then
     help_message
     exit 0
 fi
 
-# check if the parameter is valid
-if ! echo "$SYSTEMS" | grep -w "$1" >/dev/null; then
+# check if the systems parameter is valid
+if ! echo "$SYSTEMS" | grep -w "$3" >/dev/null; then
     printf "%s\n" "You must enter a valid SYSTEM name."
     help_message
     exit 0