diff --git a/Network/Mom/Stompl/Frame.hs b/Network/Mom/Stompl/Frame.hs
--- a/Network/Mom/Stompl/Frame.hs
+++ b/Network/Mom/Stompl/Frame.hs
@@ -1657,6 +1657,8 @@
   --
   --   * subscription id
   --
+  --   * ack id
+  --
   --   * The original 'Send' frame
   ------------------------------------------------------------------------
   sndToMsg :: String -> String -> String -> Frame -> Maybe Frame
diff --git a/Network/Mom/Stompl/Parser.hs b/Network/Mom/Stompl/Parser.hs
--- a/Network/Mom/Stompl/Parser.hs
+++ b/Network/Mom/Stompl/Parser.hs
@@ -204,8 +204,7 @@
   -- end-of-body: read nul and return the body 
   ------------------------------------------------------------------------
   eob :: B.ByteString -> Parser B.ByteString
-  eob b = do _ <- word8 nul
-             return b
+  eob b = void (word8 nul) >> return b
 
   ------------------------------------------------------------------------
   -- escape header key and value;
diff --git a/license/lgpl-3.0ex.txt b/license/lgpl-3.0ex.txt
--- a/license/lgpl-3.0ex.txt
+++ b/license/lgpl-3.0ex.txt
@@ -1,5 +1,5 @@
 These library and tools were written by and are copyrighted to
-    (c) copyright 2011-2015    Tobias Schoofs 
+    (c) copyright 2011-2016    Tobias Schoofs 
 
 The library is licensed under the terms of the GNU Lesser
 General Public Licence (LGPL), which follows below,
diff --git a/stompl.cabal b/stompl.cabal
--- a/stompl.cabal
+++ b/stompl.cabal
@@ -1,8 +1,8 @@
 Name:            stompl
 Category:        Message-Oriented Middleware, Network, Stomp, Parser
-Version:         0.5.0
-Cabal-Version:   >= 1.8
-Copyright:       Copyright (c) Tobias Schoofs, 2011 - 2016
+Version:         0.6.0
+Cabal-Version:   >= 1.20
+Copyright:       Copyright (c) Tobias Schoofs, 2011 - 2020
 License:         LGPL
 license-file:    license/lgpl-3.0ex.txt
 Author:          Tobias Schoofs
@@ -43,7 +43,8 @@
                    split       >= 0.1.4.1,
                    mime        >= 0.4,
                    text        >= 1.0
-                   -- 3.0.3.2,
+
+  default-language: Haskell98
                    
   Exposed-Modules: Network.Mom.Stompl.Frame, Network.Mom.Stompl.Parser