diff --git a/README.md b/README.md
index e3f793c..1d5c5b6 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 Magento module
 ==============
 
-Magento module for interaction with [RetailCRM](http://www.retailcrm.ru) through [REST API](http://www.retailcrm.ru/docs/Developers/Index).
+Magento 2 module for interaction with [RetailCRM](http://www.retailcrm.ru) through [REST API](http://www.retailcrm.ru/docs/Developers/Index).
 
 Module allows:
 
@@ -12,3 +12,5 @@ Module allows:
 ICML
 
 By default ICML file is being generated by module every 4 hours. You can find file in the web root folder with name "retailcrm_{{shop_code}}.xml". For example, http://retailcrm.ru/retailcrm_default.xml
+
+This module is compatible with Magento up to version 2.1.6