diff --git a/src/index.cjs b/src/index.cjs
index 439ea0a..431f05e 100644
--- a/src/index.cjs
+++ b/src/index.cjs
@@ -178,7 +178,7 @@ module.exports = {
   env: {
     /**
      * @description add an environment
-     * @param {BaseParams & UniqueApp & {name: string, envName: string}} options
+     * @param {BaseParams & UniqueApp & {name: string, envName: string, region: string}} options
      */
     async add ({ token, appID, name, envName, region, _staging }) {
       if (!appID) throw Error('missing_appID')