Fix typos.

Author: paurkedal

CHANGES.md

@@ -6,4 +6,4 @@
 
 ## v0.2.0 - 2017-06-04
 
-- Initial release for ocaml 4.02.3.
+- Initial release for OCaml 4.02.3.

ppx_regexp.opam

@@ -1,9 +1,9 @@
 opam-version: "1.2"
 maintainer: "[email protected]"
 authors: ["Petter A. Urkedal <[email protected]>"]
-homepage: "https://github.com/paurkedalt/ppx_regexp"
-bug-reports: "https://github.com/paurkedalt/ppx_regexp/issues"
-dev-repo: "https://github.com/paurkedalt/ppx_regexp.git"
+homepage: "https://github.com/paurkedal/ppx_regexp"
+bug-reports: "https://github.com/paurkedal/ppx_regexp/issues"
+dev-repo: "https://github.com/paurkedal/ppx_regexp.git"
 license: "LGPL-3 with OCaml linking exception"
 build: ["jbuilder" "build" "--root" "." "-j" jobs "@install"]
 depends: [