update readme

Author: mikaelcom

README.md

@@ -14,7 +14,7 @@
 
 The goal is to provide generic and useful classes that are on top of the classes generated by the [PackageGenerator](https://github.com/WsdlToPhp/PackageGenerator) project.
 
-For example, it allows to easily loop through the array elements of a SOAP result object property, it allows to easily set HTP headers and SOAP headers for a SOAP request and it allows to easily populate an object from its array state.
+For example, it allows to easily loop through the array elements of a SOAP result object property, it allows to easily set HTTP and SOAP headers for a SOAP request and it allows to easily populate an object from its array state representation.
 
 ## Main features
 - [Interfaces](#the-interfaces)