Ruby: Accept grammar fix

Co-authored-by: Nick Rolfe <nickrolfe@github.com>

Author: RasmusWL

ruby/ql/lib/change-notes/2022-08-18-change-http-client-request.md

@@ -1,4 +1,4 @@
 ---
 category: breaking
 ---
-* Changed the `HTTP::Client::Request` concept from using `MethodCall` as base class, to using `DataFlow::Node` as base class. Any class that extend `HTTP::Client::Request::Range` must be changed, but if you only uses the member predicates of `HTTP::Client::Request` no changes are required.
+* Changed the `HTTP::Client::Request` concept from using `MethodCall` as base class, to using `DataFlow::Node` as base class. Any class that extends `HTTP::Client::Request::Range` must be changed, but if you only use the member predicates of `HTTP::Client::Request`, no changes are required.