diff --git a/README.md b/README.md
index fbfe665..47ad6da 100644
--- a/README.md
+++ b/README.md
@@ -78,7 +78,7 @@ Each web service API acts independently in this library.  However, when configur
     $cordovaOauth.vkontakte(string clientId, array appScope)
     $cordovaOauth.odnoklassniki(string clientId, array appScope)
     $cordovaOauth.yandex(string clientId, object options) // defaults options={force_confirm: 'yes', browserWindow: 'location=no'}; error is a object, see below
-    $cordovaOauth.mailru(string clientId, array appScope, object options) // defaults options={display: 'mobile', browserWindow: 'location=no'}; error is a object, see below
+    $cordovaOauth.mailru(string clientId, array appScope, object options) // defaults options={display: 'mobile', browserWindow: 'location=no', redirect_uri:'any url within YOUR DOMAIN!'}; error is a object, see below
     $cordovaOauth.adfs(string clientId, string adfsServer, string relyingPartyId)
     $cordovaOauth.imgur(string clientId, object options)
     $cordovaOauth.spotify(string clientId, array appScope, object options)