pbuilder script: syntax error

pbuilder/scripts/pbuilder-common

@@ -54,10 +54,10 @@ sett() {
 	    OTHER+="--debootstrap qemu-debootstrap"
 	    ;;
 	arm64)
-	    (dpkg --print-foreign-architecturs | grep arm64 > /dev/null 2>&1 && \
-		dpkg -s "libselinux1:arm64" > /dev/null 2>&1) || \
+	    (dpkg --print-foreign-architectures | grep arm64 > /dev/null 2>&1 && \
+		dpkg -s "libselinux1:arm64" > /dev/null 2>&1) || (\
 		echo "Please enable arm64 foreign architeture in dpkg, and install \
-		libselinux1:arm64." && exit 1
+		libselinux1:arm64." && exit 1)
 	    dpkg -s "qemu-system-arm" > /dev/null 2>&1 || \
 		sudo apt-get install qemu-system-arm
 	    if [ "$TYPE" = "ubuntu" ] ; then