diff --git a/AUTHORS b/AUTHORS
index a7c9bc7..f063602 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -1,2 +1,6 @@
 Bas Smit "fbs" (fbs.devv@gmail.com)
+
+These people, in no particular order, have helped develop guile-irc, for example by
+sending in patches, writing new modules or finding significant bugs:
+
 Andreas W "add^_" (unknown.areth@gmail.com)
\ No newline at end of file
diff --git a/irc/channel.scm b/irc/channel.scm
index 9cad523..2476964 100644
--- a/irc/channel.scm
+++ b/irc/channel.scm
@@ -1,4 +1,4 @@
-;; Copyright (C) 2012 bas smit (fbs)
+;; Copyright (C) 2012, 2013 bas smit (fbs)
 
 ;; This program is free software; you can redistribute it and/or
 ;; modify it under the terms of the GNU Lesser General Public License
diff --git a/irc/error.scm b/irc/error.scm
index cf5487e..b5a147b 100644
--- a/irc/error.scm
+++ b/irc/error.scm
@@ -1,4 +1,4 @@
-;; Copyright (C) 2012 bas smit (fbs)
+;; Copyright (C) 2012, 2013 bas smit (fbs)
 
 ;; This program is free software; you can redistribute it and/or
 ;; modify it under the terms of the GNU Lesser General Public License
diff --git a/irc/message.scm b/irc/message.scm
index 610c8d5..c4ffec0 100644
--- a/irc/message.scm
+++ b/irc/message.scm
@@ -1,5 +1,4 @@
-;; Copyright (C) 2012 bas smit (fbs)
-;; Copyright (C) 2013 Andreas W (add^_)
+;; Copyright (C) 2012, 2013 bas smit (fbs)
 
 ;; This program is free software; you can redistribute it and/or
 ;; modify it under the terms of the GNU Lesser General Public License
diff --git a/irc/tagged-hook.scm b/irc/tagged-hook.scm
index 2f1cdf1..00cd3b0 100644
--- a/irc/tagged-hook.scm
+++ b/irc/tagged-hook.scm
@@ -1,4 +1,4 @@
-;; Copyright (C) 2012 bas smit (fbs)
+;; Copyright (C) 2012, 2013 bas smit (fbs)
 
 ;; This program is free software; you can redistribute it and/or
 ;; modify it under the terms of the GNU Lesser General Public License