diff --git a/src/BeSimple/SoapBundle/Resources/doc/requirements.rst b/src/BeSimple/SoapBundle/Resources/doc/requirements.rst
index d7a5525..4daaf52 100644
--- a/src/BeSimple/SoapBundle/Resources/doc/requirements.rst
+++ b/src/BeSimple/SoapBundle/Resources/doc/requirements.rst
@@ -1,4 +1,4 @@
 Requirements
 ============
 
-Install and enable PHP's `SOAP extension <http://www.php.net/manual/en/soap.setup.php>`.
+Install and enable PHP's `SOAP extension <http://www.php.net/manual/en/soap.setup.php>` and `cURL extension <http://www.php.net/manual/en/curl.setup.php>`.