diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+# 0.2.3.1
+
+* Added forgotten copyright/authorship information.
+
 # 0.2.3.0
 
 * New minor release (microlens-0.4.2, microlens-ghc-0.4.2).
diff --git a/LICENSE b/LICENSE
--- a/LICENSE
+++ b/LICENSE
@@ -1,4 +1,5 @@
-Copyright (c) 2015, Artyom
+Copyright (c) 2012-2016 Edward Kmett,
+              2015-2016 Artyom
 
 All rights reserved.
 
diff --git a/microlens-platform.cabal b/microlens-platform.cabal
--- a/microlens-platform.cabal
+++ b/microlens-platform.cabal
@@ -1,5 +1,5 @@
 name:                microlens-platform
-version:             0.2.3.0
+version:             0.2.3.1
 synopsis:            Feature-complete microlens
 description:
   This package exports a module which is the recommended starting point for using <http://hackage.haskell.org/package/microlens microlens> if you aren't trying to keep your dependencies minimal. By importing @Lens.Micro.Platform@ you get all functions and instances from <http://hackage.haskell.org/package/microlens microlens>, <http://hackage.haskell.org/package/microlens-th microlens-th>, <http://hackage.haskell.org/package/microlens-mtl microlens-mtl>, <http://hackage.haskell.org/package/microlens-ghc microlens-ghc>, as well as instances for @Vector@, @Text@, and @HashMap@.
@@ -9,7 +9,7 @@
   This package is a part of the <http://hackage.haskell.org/package/microlens microlens> family; see the readme <https://github.com/aelve/microlens#readme on Github>.
 license:             BSD3
 license-file:        LICENSE
-author:              Artyom
+author:              Edward Kmett, Artyom
 maintainer:          Artyom <yom@artyom.me>
 homepage:            http://github.com/aelve/microlens
 bug-reports:         http://github.com/aelve/microlens/issues
diff --git a/src/Lens/Micro/Platform.hs b/src/Lens/Micro/Platform.hs
--- a/src/Lens/Micro/Platform.hs
+++ b/src/Lens/Micro/Platform.hs
@@ -15,6 +15,10 @@
 
 
 {- |
+Module      :  Lens.Micro.Platform
+Copyright   :  (C) 2013-2016 Edward Kmett, 2015-2016 Artyom
+License     :  BSD-style (see the file LICENSE)
+
 This module is an approximation for @<http://hackage.haskell.org/package/lens/docs/Control-Lens.html Control.Lens>@ from <http://hackage.haskell.org/package/lens lens>; by importing it you get all functions and instances from <http://hackage.haskell.org/package/microlens microlens>, <http://hackage.haskell.org/package/microlens-mtl microlens-mtl>, <http://hackage.haskell.org/package/microlens-ghc microlens-ghc>, as well as the following instances:
 
 * 'at' for 'HashMap'
diff --git a/src/Lens/Micro/Platform/Internal.hs b/src/Lens/Micro/Platform/Internal.hs
--- a/src/Lens/Micro/Platform/Internal.hs
+++ b/src/Lens/Micro/Platform/Internal.hs
@@ -5,6 +5,11 @@
   #-}
 
 
+{- |
+Module      :  Lens.Micro.Platform.Internal
+Copyright   :  (C) 2013-2016 Edward Kmett, 2015-2016 Artyom
+License     :  BSD-style (see the file LICENSE)
+-}
 module Lens.Micro.Platform.Internal
 (
   IsText(..),