diff --git a/README.md b/README.md
index b60235a..5f492da 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,5 @@
+
+
 [![Build Status](https://travis-ci.org/aslabicki/Zabbix.API.Core.svg?branch=master)](https://travis-ci.org/aslabicki/Zabbix.API.Core)
 
 # Zabbix.NET.Core
@@ -25,6 +27,8 @@ Before call any request use **LoginAsync()** method. After all use  **LogoutAsyn
 
 ## Usage examples
 
+Ensure you include `using ZabbixAPICore;` in your code to access the library classes.
+
 Create new user
 ```cs
 Zabbix zabbix = new Zabbix("admin", "zabbix", "http://zabbix.example/api_jsonrpc.php");
@@ -140,4 +144,4 @@ zabbix.LogoutAsync().Wait();
 
 ## License
 
-MIT
\ No newline at end of file
+MIT