diff --git a/packages/arcgis-rest-portal/src/groups/update-user-membership.ts b/packages/arcgis-rest-portal/src/groups/update-user-membership.ts
index 8f3e96ca23..b51e171b6e 100644
--- a/packages/arcgis-rest-portal/src/groups/update-user-membership.ts
+++ b/packages/arcgis-rest-portal/src/groups/update-user-membership.ts
@@ -35,6 +35,7 @@ export interface IUpdateGroupUsersOptions extends IUserRequestOptions {
  * updateUserMemberships({
  *   id: groupId,
  *   admins: ["username3"],
+ *   newMemberType: "admin",
  *   authentication
  * })
  * .then(response);