2 files changed, 7 insertions, 2 deletions
diff --git a/README.md b/README.md
index 066aeee..9cc69ee 100644
--- a/README.md
+++ b/README.md
@@ -8,8 +8,9 @@ along with the RSS feeds (for [i686](https://static.dopsi.ch/al32/feed_i686.rss)
 
 ## Usage
 
-    al32-mktorrent.sh [ -d date ]
+    al32-mktorrent.sh [ -d date ] [ arch... ]
 
+If no arch is specified both `i686` and `dual` will be generated.
 If no date is specified, the script will prompt for a date during the process.
 
 ## Features
diff --git a/al32-mktorrent.sh b/al32-mktorrent.sh
index b5aaff7..68ea265 100644
--- a/al32-mktorrent.sh
+++ b/al32-mktorrent.sh
@@ -17,7 +17,7 @@ set -euo pipefail
 function join_by { local IFS="$1"; shift; echo "$*"; }
 
 usage () {
-	echo "Usage: $0 [-d date]"
+	echo "Usage: $0 [-d date] [arch...]"
 }
 
 fg_green="\033[32m"
@@ -112,6 +112,10 @@ while getopts "d:h" o; do
 done
 shift $((OPTIND-1))
 
+if [ "$#" -gt 0 ] ; then
+	architectures=($@)
+fi
+
 [ -z "$iso_date" ] && read -r -p "Date of the ISO: " iso_date
 
 for a in "${architectures[@]}" ; do