diff --git a/Codec/Encryption/OpenPGP/ASCIIArmor.hs b/Codec/Encryption/OpenPGP/ASCIIArmor.hs
--- a/Codec/Encryption/OpenPGP/ASCIIArmor.hs
+++ b/Codec/Encryption/OpenPGP/ASCIIArmor.hs
@@ -1,6 +1,6 @@
 -- ASCIIArmor.hs: OpenPGP (RFC4880) ASCII armor implementation
 -- Copyright © 2012  Clint Adams
--- This software is released under the terms of the ISC license.
+-- This software is released under the terms of the Expat license.
 -- (See the LICENSE file).
 
 module Codec.Encryption.OpenPGP.ASCIIArmor (
diff --git a/Codec/Encryption/OpenPGP/ASCIIArmor/Decode.hs b/Codec/Encryption/OpenPGP/ASCIIArmor/Decode.hs
--- a/Codec/Encryption/OpenPGP/ASCIIArmor/Decode.hs
+++ b/Codec/Encryption/OpenPGP/ASCIIArmor/Decode.hs
@@ -1,7 +1,7 @@
 {-# LANGUAGE OverloadedStrings #-}
 -- ASCIIArmor/Decode.hs: OpenPGP (RFC4880) ASCII armor implementation
 -- Copyright © 2012-2018  Clint Adams
--- This software is released under the terms of the ISC license.
+-- This software is released under the terms of the Expat license.
 -- (See the LICENSE file).
 
 module Codec.Encryption.OpenPGP.ASCIIArmor.Decode (
diff --git a/Codec/Encryption/OpenPGP/ASCIIArmor/Encode.hs b/Codec/Encryption/OpenPGP/ASCIIArmor/Encode.hs
--- a/Codec/Encryption/OpenPGP/ASCIIArmor/Encode.hs
+++ b/Codec/Encryption/OpenPGP/ASCIIArmor/Encode.hs
@@ -1,6 +1,6 @@
 -- ASCIIArmor/Encode.hs: OpenPGP (RFC4880) ASCII armor implementation
 -- Copyright © 2012-2018  Clint Adams
--- This software is released under the terms of the ISC license.
+-- This software is released under the terms of the Expat license.
 -- (See the LICENSE file).
 
 module Codec.Encryption.OpenPGP.ASCIIArmor.Encode (
diff --git a/Codec/Encryption/OpenPGP/ASCIIArmor/Multipart.hs b/Codec/Encryption/OpenPGP/ASCIIArmor/Multipart.hs
--- a/Codec/Encryption/OpenPGP/ASCIIArmor/Multipart.hs
+++ b/Codec/Encryption/OpenPGP/ASCIIArmor/Multipart.hs
@@ -1,6 +1,6 @@
 -- ASCIIArmor/Multipart.hs: OpenPGP (RFC4880) ASCII armor implementation
 -- Copyright © 2012  Clint Adams
--- This software is released under the terms of the ISC license.
+-- This software is released under the terms of the Expat license.
 -- (See the LICENSE file).
 
 module Codec.Encryption.OpenPGP.ASCIIArmor.Multipart (
diff --git a/Codec/Encryption/OpenPGP/ASCIIArmor/Types.hs b/Codec/Encryption/OpenPGP/ASCIIArmor/Types.hs
--- a/Codec/Encryption/OpenPGP/ASCIIArmor/Types.hs
+++ b/Codec/Encryption/OpenPGP/ASCIIArmor/Types.hs
@@ -1,6 +1,6 @@
 -- ASCIIArmor/Decode.hs: OpenPGP (RFC4880) ASCII armor implementation
 -- Copyright © 2012  Clint Adams
--- This software is released under the terms of the ISC license.
+-- This software is released under the terms of the Expat license.
 -- (See the LICENSE file).
 
 module Codec.Encryption.OpenPGP.ASCIIArmor.Types (
diff --git a/Codec/Encryption/OpenPGP/ASCIIArmor/Utils.hs b/Codec/Encryption/OpenPGP/ASCIIArmor/Utils.hs
--- a/Codec/Encryption/OpenPGP/ASCIIArmor/Utils.hs
+++ b/Codec/Encryption/OpenPGP/ASCIIArmor/Utils.hs
@@ -1,6 +1,6 @@
 -- ASCIIArmor/Utils.hs: OpenPGP (RFC4880) ASCII armor implementation
 -- Copyright © 2012  Clint Adams
--- This software is released under the terms of the ISC license.
+-- This software is released under the terms of the Expat license.
 -- (See the LICENSE file).
 
 module Codec.Encryption.OpenPGP.ASCIIArmor.Utils (
diff --git a/Data/Digest/CRC24.hs b/Data/Digest/CRC24.hs
--- a/Data/Digest/CRC24.hs
+++ b/Data/Digest/CRC24.hs
@@ -1,6 +1,6 @@
 -- CRC24.hs: OpenPGP (RFC4880) CRC24 implementation
--- Copyright © 2012  Clint Adams
--- This software is released under the terms of the ISC license.
+-- Copyright © 2012-2019 Clint Adams
+-- This software is released under the terms of the Expat license.
 -- (See the LICENSE file).
 
 module Data.Digest.CRC24 (
@@ -27,4 +27,4 @@
 crc24 bs = crc24Lazy . BL.fromChunks $ [bs]
 
 crc24Lazy :: ByteString -> Word32
-crc24Lazy = BL.foldl crc24Update crc24Init
+crc24Lazy = BL.foldl' crc24Update crc24Init
diff --git a/LICENSE b/LICENSE
--- a/LICENSE
+++ b/LICENSE
@@ -1,15 +1,20 @@
-Copyright © 2012 Clint Adams <clint@debian.org>
+Copyright © 2012-2019 Clint Adams <clint@debian.org>
 
-Permission to use, copy, modify, and/or distribute this software
-for any purpose with or without fee is hereby granted, provided
-that the above copyright notice and this permission notice appear
-in all copies.
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
 
-THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
-WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
-WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
-AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR
-CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
-LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
-NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
-CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/bench/mark.hs b/bench/mark.hs
--- a/bench/mark.hs
+++ b/bench/mark.hs
@@ -1,6 +1,6 @@
 -- mark.hs: openpgp-asciiarmor benchmark suite
--- Copyright © 2018  Clint Adams
--- This software is released under the terms of the ISC license.
+-- Copyright © 2018-2019 Clint Adams
+-- This software is released under the terms of the Expat license.
 -- (See the LICENSE file).
 
 {-# LANGUAGE FlexibleContexts, OverloadedStrings #-}
@@ -11,6 +11,8 @@
 
 main :: IO ()
 main = defaultMain [
-  bgroup "crc" [ bench "crc24"  $ whnf crc24 "test"
+  bgroup "crc" [
+                 bench "crc24"  $ whnf crc24 "test"
+               , bench "crc24Lazy"  $ whnf crc24Lazy "test"
                ]
                    ]
diff --git a/openpgp-asciiarmor.cabal b/openpgp-asciiarmor.cabal
--- a/openpgp-asciiarmor.cabal
+++ b/openpgp-asciiarmor.cabal
@@ -1,13 +1,13 @@
 Name:                openpgp-asciiarmor
-Version:             0.1.1
+Version:             0.1.2
 Synopsis:            OpenPGP (RFC4880) ASCII Armor codec
 Description:         OpenPGP (RFC4880) ASCII Armor codec
 Homepage:            http://floss.scru.org/openpgp-asciiarmor
-License:             ISC
+License:             MIT
 License-file:        LICENSE
 Author:              Clint Adams
 Maintainer:          Clint Adams <clint@debian.org>
-Copyright:           2012-2018 Clint Adams
+Copyright:           2012-2019 Clint Adams
 Category:            Codec, Data
 Build-type:          Simple
 Extra-source-files: tests/suite.hs
