diff --git a/README.md b/README.md
index 63c4602..5a4b1ff 100644
--- a/README.md
+++ b/README.md
@@ -72,7 +72,7 @@ Download source code from master branch and put `zabbix` directory into `<your g
 
 ![2015-05-18 12-46-03 grafana - zabbix org - mozilla firefox](https://cloud.githubusercontent.com/assets/4932851/7678429/b42a9cda-fd5c-11e4-84a3-07aa765769d3.png)
 
-#### Note for Zabbix 2.2 or before
+#### Note for Zabbix 2.2 or less
 Zabbix API (api_jsonrpc.php) before zabbix 2.4 don't allow cross-domain requests (CORS). And you can get HTTP error 412 (Precondition Failed).
 To fix it add this code to api_jsonrpc.php immediately after the copyright
 ```