Apply suggestions from code review

Co-authored-by: Alessandro Lai <alessandro.lai85@gmail.com>

Author: samdark

README.md

@@ -13,15 +13,15 @@ requires adherence to [PSR-1][], the basic coding standard.
 
 Like [PSR-12][], the intent of this specification is to reduce cognitive friction when
 scanning code from different authors. It does so by enumerating a shared set of rules
-and expectations about how to format PHP code. This PSR seeks to provide a set way that
+and expectations about how to format PHP code. This PSR seeks to provide a set that
 coding style tools can implement, projects can declare adherence to and developers
 can easily relate to between different projects. When various authors collaborate
 across multiple projects, it helps to have one set of guidelines to be used among
 all those projects. Thus, the benefit of this guide is not in the rules themselves
 but the sharing of those rules.
 
 [PSR-12][] was accepted in 2019 and since then a number of changes have been made to PHP
-which has implications for coding style guidelines. Whilst [PSR-12] is very comprehensive
+which have implications for coding style guidelines. Whilst [PSR-12] is very comprehensive
 of PHP functionality that existed at the time of writing, new functionality is very
 open to interpretation. This PER, therefore, seeks to clarify the content of PSR-12 in
 a more modern context with new functionality available, make the errata to PSR-12