diff --git a/mps/code/amsss.c b/mps/code/amsss.c
index 513056f2d2c..26a9d4815de 100644
--- a/mps/code/amsss.c
+++ b/mps/code/amsss.c
@@ -1,7 +1,7 @@
 /* amsss.c: POOL CLASS AMS STRESS TEST
  *
  * $Id$
- * Copyright (c) 2001 Ravenbrook Limited.  See end of file for license.
+ * Copyright (c) 2001-2002, 2006 Ravenbrook Limited.  See end of file for license.
  * Portions copyright (c) 2002 Global Graphics Software.
  *
  * .design: Adapted from amcss.c, but not counting collections, just
@@ -259,7 +259,7 @@ int main(int argc, char **argv)
 
 /* C. COPYRIGHT AND LICENSE
  *
- * Copyright (C) 2001-2002 Ravenbrook Limited <http://www.ravenbrook.com/>.
+ * Copyright (C) 2001-2002, 2006 Ravenbrook Limited <http://www.ravenbrook.com/>.
  * All rights reserved.  This is an open source license.  Contact
  * Ravenbrook for commercial licensing options.
  * 
diff --git a/mps/code/config.h b/mps/code/config.h
index f88c6d867b3..90d13264688 100644
--- a/mps/code/config.h
+++ b/mps/code/config.h
@@ -1,7 +1,7 @@
 /* config.h: MPS CONFIGURATION
  *
  * $Id$
- * Copyright (c) 2001 Ravenbrook Limited.  See end of file for license.
+ * Copyright (c) 2001-2003, 2006 Ravenbrook Limited.  See end of file for license.
  * Portions copyright (c) 2002 Global Graphics Software.
  *
  * PURPOSE
@@ -320,7 +320,7 @@
 
 /* C. COPYRIGHT AND LICENSE
  *
- * Copyright (C) 2001-2003 Ravenbrook Limited <http://www.ravenbrook.com/>.
+ * Copyright (C) 2001-2003, 2006 Ravenbrook Limited <http://www.ravenbrook.com/>.
  * All rights reserved.  This is an open source license.  Contact
  * Ravenbrook for commercial licensing options.
  *
diff --git a/mps/code/mpmst.h b/mps/code/mpmst.h
index ac2bf47b602..d635620129f 100644
--- a/mps/code/mpmst.h
+++ b/mps/code/mpmst.h
@@ -1,7 +1,7 @@
 /* mpmst.h: MEMORY POOL MANAGER DATA STRUCTURES
  *
  * $Id$
- * Copyright (c) 2001 Ravenbrook Limited.  See end of file for license.
+ * Copyright (c) 2001-2002, 2006 Ravenbrook Limited.  See end of file for license.
  * Portions copyright (C) 2001 Global Graphics Software.
  *
  * .design: This header file crosses module boundaries.  The relevant
@@ -724,7 +724,7 @@ typedef struct AllocPatternStruct {
 
 /* C. COPYRIGHT AND LICENSE
  *
- * Copyright (C) 2001-2002 Ravenbrook Limited <http://www.ravenbrook.com/>.
+ * Copyright (C) 2001-2002, 2006 Ravenbrook Limited <http://www.ravenbrook.com/>.
  * All rights reserved.  This is an open source license.  Contact
  * Ravenbrook for commercial licensing options.
  * 
diff --git a/mps/code/mpmtypes.h b/mps/code/mpmtypes.h
index ba49f280350..3c43f3aaabd 100644
--- a/mps/code/mpmtypes.h
+++ b/mps/code/mpmtypes.h
@@ -1,7 +1,7 @@
 /* mpmtypes.h: MEMORY POOL MANAGER TYPES
  *
  * $Id$
- * Copyright (c) 2001 Ravenbrook Limited.  See end of file for license.
+ * Copyright (c) 2001-2002, 2006 Ravenbrook Limited.  See end of file for license.
  * Portions copyright (c) 2001 Global Graphics Software.
  *
  * .design: <design/type/>
@@ -467,7 +467,7 @@ typedef double WriteFD;
 
 /* C. COPYRIGHT AND LICENSE
  *
- * Copyright (C) 2001-2002 Ravenbrook Limited <http://www.ravenbrook.com/>.
+ * Copyright (C) 2001-2002, 2006 Ravenbrook Limited <http://www.ravenbrook.com/>.
  * All rights reserved.  This is an open source license.  Contact
  * Ravenbrook for commercial licensing options.
  * 
diff --git a/mps/code/mpsi.c b/mps/code/mpsi.c
index 29b9be40a56..662bc351b1d 100644
--- a/mps/code/mpsi.c
+++ b/mps/code/mpsi.c
@@ -1,7 +1,7 @@
 /* mpsi.c: MEMORY POOL SYSTEM C INTERFACE LAYER
  *
  * $Id$
- * Copyright (c) 2001 Ravenbrook Limited.  See end of file for license.
+ * Copyright (c) 2001-2002, 2006 Ravenbrook Limited.  See end of file for license.
  * Portions copyright (c) 2002 Global Graphics Software.
  *
  * .purpose: This code bridges between the MPS interface to C,
@@ -1937,7 +1937,7 @@ void mps_chain_destroy(mps_chain_t mps_chain)
 
 /* C. COPYRIGHT AND LICENSE
  *
- * Copyright (C) 2001-2002 Ravenbrook Limited <http://www.ravenbrook.com/>.
+ * Copyright (C) 2001-2002, 2006 Ravenbrook Limited <http://www.ravenbrook.com/>.
  * All rights reserved.  This is an open source license.  Contact
  * Ravenbrook for commercial licensing options.
  * 
diff --git a/mps/code/trace.c b/mps/code/trace.c
index c9c36c0a0f5..aa853501569 100644
--- a/mps/code/trace.c
+++ b/mps/code/trace.c
@@ -1,7 +1,7 @@
 /* trace.c: GENERIC TRACER IMPLEMENTATION
  *
  * $Id$
- * Copyright (c) 2001 Ravenbrook Limited.  See end of file for license.
+ * Copyright (c) 2001-2002, 2006 Ravenbrook Limited.  See end of file for license.
  * Portions copyright (C) 2002 Global Graphics Software.
  *
  * .design: <design/trace/>.  */
@@ -1877,7 +1877,7 @@ Res ArenaCollect(Globals globals, int why)
 
 /* C. COPYRIGHT AND LICENSE
  *
- * Copyright (C) 2001-2002 Ravenbrook Limited <http://www.ravenbrook.com/>.
+ * Copyright (C) 2001-2002, 2006 Ravenbrook Limited <http://www.ravenbrook.com/>.
  * All rights reserved.  This is an open source license.  Contact
  * Ravenbrook for commercial licensing options.
  *