diff --git a/README.md b/README.md
index 4741ff9..d8d3b81 100644
--- a/README.md
+++ b/README.md
@@ -58,6 +58,7 @@ tarteaucitron.init({
     "removeCredit": false, /* Remove credit link */
     "moreInfoLink": true, /* Show more info link */
     "useExternalCss": false, /* If false, the tarteaucitron.css file will be loaded */
+    "useExternalJs": false, /* If false, the tarteaucitron.services.js file will be loaded */
 
     //"cookieDomain": ".my-multisite-domaine.fr", /* Shared cookie for subdomain website */