Fixed typo in 'xhttp' module documentation.

modules/xhttp/README

@@ -91,7 +91,7 @@ Chapter 1. Admin Guide
 
 3.1. url_skip (str)
 
-   Regular expression to match the HTPP URL. If there is match, then event
+   Regular expression to match the HTTP URL. If there is match, then event
    route is not executed.
 
    Default value is null (don't skip).

modules/xhttp/doc/xhttp_admin.xml

@@ -63,7 +63,7 @@
 	<section>
 		<title><varname>url_skip</varname> (str)</title>
 		<para>
-			Regular expression to match the HTPP URL. If there is match,
+			Regular expression to match the HTTP URL. If there is match,
 			then event route is not executed.
 		</para>
 		<para>