Fix grammar.

Author: ianef

README.md

@@ -1,15 +1,14 @@
 # xactsystems/phpstan-dev
 
-Package to extract and provide PHPStan source code for developing custom rules.
-Author: Ian Foulds.
+A package to extract and provide PHPStan source code for developing custom rules.
 
 PHPStan does not provide a method to load the source code via a package manager. Instead it needs extracting from the .phar archive.
 
 If you use PHPStorm of PHP Tools by DEVSENSE then this issue is covered, but not everyone does!
 
 Personally I think this whole approach goes against the ethos of a package manager, it should just be a package!
 
-So, I've created this composer plugin that required phpstan as a dependency, extracts the source code, and links the PHPStan namespace to it.
+So, I've created this composer plugin that requires phpstan as a dependency, extracts the source code, and links the PHPStan namespace to it.
 
 ## Installation
 To use this extension, require it in Composer: