diff --git a/packages/babel-plugin-transform-runtime/README.md b/packages/babel-plugin-transform-runtime/README.md
index 0dfdd0ba25..8b164c1a59 100644
--- a/packages/babel-plugin-transform-runtime/README.md
+++ b/packages/babel-plugin-transform-runtime/README.md
@@ -40,8 +40,9 @@ Add the following line to your `.babelrc` file:
 {
   "plugins": [
     ["transform-runtime", {
-      "polyfill": false,
-      "regenerator": true
+      "helpers": false, // defaults to true
+      "polyfill": false, // defaults to true
+      "regenerator": true // defaults to true
     }]
   ]
 }