Update README.md

README.md

@@ -13,5 +13,9 @@ jq '.data[].entity.publicIpAddress // .data[].properties.publicIpAddress' *.json
 ```bash
 git clone {placeholder for git address}
 chmod +x external_pentest.sh
-./external_pentest.sh external_ips.txt
+sudo ./external_pentest.sh external_ips.txt
+```
+or
+```bash
+sudo bash external_pentest.sh external_ips.txt
 ```