Update README

Author: ehmicky

README.md

@@ -84,8 +84,9 @@ not `require()`.
 
 _Type_: `Plugin`
 
-Plugin object to
-[pass to the `plugins` option of `ErrorClass.subclass()`](https://github.com/ehmicky/modern-errors#adding-plugins).
+Plugin object to pass to the
+[`plugins` option](https://github.com/ehmicky/modern-errors#adding-plugins) of
+`ErrorClass.subclass()`.
 
 ## error.httpResponse()