diff --git a/lib/CREDITS b/lib/CREDITS
index 9e553316d5..8971ff62ba 100644
--- a/lib/CREDITS
+++ b/lib/CREDITS
@@ -260,6 +260,9 @@ IE-mail: ron@18james.com
 @bJürgen Spitzmüller
 @iE-mail: j.spitzmueller@gmx.de
    Qt frontend, bugfixes
+@bJohn Spray
+@iE-mail: jcs116@york.ac.uk
+   Gtk frontend
 @bBen Stanley
 @iE-mail: bds02@uow.edu.au
    fix bugs with error insets placement
diff --git a/lib/ChangeLog b/lib/ChangeLog
index bbf466e698..d559e1dd72 100644
--- a/lib/ChangeLog
+++ b/lib/ChangeLog
@@ -1,3 +1,7 @@
+2004-12-13  Jürgen Spitzmüller  <j.spitzmueller@gmx.de>
+
+	* CREDITS: add John Spray
+
 2004-12-07  Martin Vermeer  <martin.vermeer@hut.fi>
 
 	 * configure.m4: add printout of language list for which