Update CHANGES.md for 2.3.0

Author: polytypic

CHANGES.md

@@ -1,6 +1,8 @@
-## Next version
+## 2.3.0
 
 - Add `copy_as ~padded` for convenient optional padding (@polytypic)
+- Add `multicore-magic-dscheck` package and library to help testing with DScheck
+  (@lyrm, review @polytypic)
 
 ## 2.2.0
 

dune-project

@@ -45,7 +45,7 @@
 (package
  (name multicore-magic-dscheck)
  (synopsis
-  "A implementation of multicore-magic API using the atomic module of DScheck to make DScheck tests possible in libraries using multicore-magic")
+  "An implementation of multicore-magic API using the atomic module of DScheck to make DScheck tests possible in libraries using multicore-magic")
  (allow_empty)
  (depends
   (ocaml

multicore-magic-dscheck.opam

@@ -1,7 +1,7 @@
 # This file is generated by dune, edit dune-project instead
 opam-version: "2.0"
 synopsis:
-  "A implementation of multicore-magic API using the atomic module of DScheck to make DScheck tests possible in libraries using multicore-magic"
+  "An implementation of multicore-magic API using the atomic module of DScheck to make DScheck tests possible in libraries using multicore-magic"
 maintainer: ["Vesa Karvonen <[email protected]>"]
 authors: ["Vesa Karvonen <[email protected]>"]
 license: "ISC"