diff --git a/README.rst b/README.rst
index 2260988..28eed3c 100644
--- a/README.rst
+++ b/README.rst
@@ -20,7 +20,7 @@ This class supports `SOAP Message Security`_ standard.
 
 .. _`SOAP Message Security`: http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-soap-message-security-1.0.pdf
 
-You should set certificate (in PFX or PKCS7 format) while initializng class. Other
+You should set certificate (in PFX or PKCS7 format) while initializing class. Other
 HTTP options, identical to HTTPRequest_ class request options are accepted too::
 
         $client = new SignedSoapClient(