Improves wording in README

Author: j-ulrich

README.md

@@ -8,8 +8,9 @@ This repository provides the HTTP status codes and reason phrases in different v
 
 Simply take the variant that fits your needs and copy/use/modify it.
 
-Data has initially been taken from [for-GET/know-your-http-well](https://github.com/for-GET/know-your-http-well).
-It covers all status codes [registered with the IANA](https://www.iana.org/assignments/http-status-codes/http-status-codes.xhtml).
+The status codes cover all codes [registered with the IANA](https://www.iana.org/assignments/http-status-codes/http-status-codes.xhtml).
+Initially, the data was taken from [for-GET/know-your-http-well](https://github.com/for-GET/know-your-http-well).
+
 
 ### Table of Contents ###