diff --git a/include/lwp.h b/include/lwp.h
index 2d2c8dea..cac3aecc 100644
--- a/include/lwp.h
+++ b/include/lwp.h
@@ -28,7 +28,7 @@
  *  lwp.h -- prototypes and structures for lightweight processes
  *
  *  Known contributors to this file:
- *     Markus Armbruster, 2004-2010
+ *     Markus Armbruster, 2004-2013
  *     Ron Koenderink, 2007-2009
  */
 
diff --git a/src/client/Makefile.in b/src/client/Makefile.in
index ca7a6e73..d2640b6c 100644
--- a/src/client/Makefile.in
+++ b/src/client/Makefile.in
@@ -28,7 +28,7 @@
 #   Makefile.in: Makefile template for configure
 #
 #   Known contributors to this file:
-#      Markus Armbruster, 2005-2009
+#      Markus Armbruster, 2005-2013
 #
 
 CC = @CC@
diff --git a/src/client/configure.ac b/src/client/configure.ac
index 054fc95f..203d3123 100644
--- a/src/client/configure.ac
+++ b/src/client/configure.ac
@@ -27,7 +27,7 @@
 #   configure.ac: Autoconf input file
 #
 #   Known contributors to this file:
-#      Markus Armbruster, 2005-2010
+#      Markus Armbruster, 2005-2013
 #
 # Process this file with autoconf to produce a configure script.
 
diff --git a/src/client/expect.c b/src/client/expect.c
index 3173ff95..f922c01e 100644
--- a/src/client/expect.c
+++ b/src/client/expect.c
@@ -28,7 +28,7 @@
  *
  *  Known contributors to this file:
  *     Steve McClure, 1998
- *     Markus Armbruster, 2007-2009
+ *     Markus Armbruster, 2007-2013
  */
 
 #include <config.h>
diff --git a/src/client/host.c b/src/client/host.c
index efa547aa..79e4aa70 100644
--- a/src/client/host.c
+++ b/src/client/host.c
@@ -29,7 +29,7 @@
  *  Known contributors to this file:
  *     Dave Pare, 1989
  *     Steve McClure, 1998
- *     Markus Armbruster, 2005-2009
+ *     Markus Armbruster, 2005-2013
  */
 
 #include <config.h>
diff --git a/src/lib/commands/head.c b/src/lib/commands/head.c
index 67e8fbcb..96498c3f 100644
--- a/src/lib/commands/head.c
+++ b/src/lib/commands/head.c
@@ -27,7 +27,7 @@
  *  head.c: Print headlines of the Empire News
  *
  *  Known contributors to this file:
- *
+ *     Markus Armbruster, 2006-2013
  */
 
 #include <config.h>
diff --git a/src/lib/commands/mfir.c b/src/lib/commands/mfir.c
index bd7f6d22..a19909b0 100644
--- a/src/lib/commands/mfir.c
+++ b/src/lib/commands/mfir.c
@@ -28,7 +28,7 @@
  *
  *  Known contributors to this file:
  *     Steve McClure, 2000
- *     Markus Armbruster, 2004-2011
+ *     Markus Armbruster, 2004-2013
  */
 
 #include <config.h>
diff --git a/src/lib/commands/miss.c b/src/lib/commands/miss.c
index a847578a..5ac95856 100644
--- a/src/lib/commands/miss.c
+++ b/src/lib/commands/miss.c
@@ -29,7 +29,7 @@
  *  Known contributors to this file:
  *     Thomas Ruschak, 1992
  *     Steve McClure, 2000
- *     Markus Armbruster, 2005-2010
+ *     Markus Armbruster, 2005-2013
  */
 
 #include <config.h>
diff --git a/src/lib/commands/orde.c b/src/lib/commands/orde.c
index 3f8ce60e..bbb8344e 100644
--- a/src/lib/commands/orde.c
+++ b/src/lib/commands/orde.c
@@ -29,7 +29,7 @@
  *  Known contributors to this file:
  *     Chad Zabel, 1994
  *     Steve McClure, 2000
- *     Markus Armbruster, 2004-2011
+ *     Markus Armbruster, 2004-2013
  */
 
 #include <config.h>
diff --git a/src/lib/commands/powe.c b/src/lib/commands/powe.c
index e5d19de0..c41edde1 100644
--- a/src/lib/commands/powe.c
+++ b/src/lib/commands/powe.c
@@ -30,7 +30,7 @@
  *     Dave Pare
  *     Ken Stevens, 1995
  *     Steve McClure, 1998-2000
- *     Markus Armbruster, 2004-2009
+ *     Markus Armbruster, 2004-2013
  *     Ron Koenderink, 2005-2008
  */
 
diff --git a/src/lib/common/hap_fact.c b/src/lib/common/hap_fact.c
index 6f43c817..940ce240 100644
--- a/src/lib/common/hap_fact.c
+++ b/src/lib/common/hap_fact.c
@@ -28,6 +28,7 @@
  *
  *  Known contributors to this file:
  *     Steve McClure, 1996
+ *     Markus Armbruster, 2006-2013
  */
 
 #include <config.h>
diff --git a/src/lib/lwp/lwp.c b/src/lib/lwp/lwp.c
index 8af0fcc0..a1cb6803 100644
--- a/src/lib/lwp/lwp.c
+++ b/src/lib/lwp/lwp.c
@@ -28,7 +28,7 @@
  *  lwp.c: lightweight process creation, destruction and manipulation
  *
  *  Known contributors to this file:
- *     Markus Armbruster, 2004-2010
+ *     Markus Armbruster, 2004-2013
  */
 
 #include <config.h>
diff --git a/src/lib/lwp/sel.c b/src/lib/lwp/sel.c
index 3c9addcf..61542578 100644
--- a/src/lib/lwp/sel.c
+++ b/src/lib/lwp/sel.c
@@ -29,7 +29,7 @@
  *
  *  Known contributors to this file:
  *     Dave Pare, 1994
- *     Markus Armbruster, 2007-2011
+ *     Markus Armbruster, 2007-2013
  *     Ron Koenderink, 2009
  */
 
diff --git a/src/lib/player/accept.c b/src/lib/player/accept.c
index ba022c21..6712d988 100644
--- a/src/lib/player/accept.c
+++ b/src/lib/player/accept.c
@@ -28,7 +28,7 @@
  *
  *  Known contributors to this file:
  *     Dave Pare, 1994
- *     Markus Armbruster, 2005-2012
+ *     Markus Armbruster, 2005-2013
  */
 
 #include <config.h>
diff --git a/src/lib/subs/bsanct.c b/src/lib/subs/bsanct.c
index 6f435e8f..8ddf9397 100644
--- a/src/lib/subs/bsanct.c
+++ b/src/lib/subs/bsanct.c
@@ -27,7 +27,7 @@
  *  bsanct.c: Break Sanctuary subroutines
  *
  *  Known contributors to this file:
- *
+ *     Markus Armbruster, 2006-2013
  */
 
 #include <config.h>
diff --git a/src/lib/subs/landgun.c b/src/lib/subs/landgun.c
index 4d9e6cec..afdea0fe 100644
--- a/src/lib/subs/landgun.c
+++ b/src/lib/subs/landgun.c
@@ -27,7 +27,7 @@
  *  landgun.c: Fire weapons
  *
  *  Known contributors to this file:
- *     Markus Armbruster, 2006-2012
+ *     Markus Armbruster, 2006-2013
  */
 
 #include <config.h>
diff --git a/src/lib/subs/nstr.c b/src/lib/subs/nstr.c
index 7ffb5712..7715fb6a 100644
--- a/src/lib/subs/nstr.c
+++ b/src/lib/subs/nstr.c
@@ -29,7 +29,7 @@
  *  Known contributors to this file:
  *     Dave Pare, 1989
  *     Steve McClure, 1997
- *     Markus Armbruster, 2004-2010
+ *     Markus Armbruster, 2004-2013
  */
 
 #include <config.h>
diff --git a/src/lib/update/populace.c b/src/lib/update/populace.c
index 4ae8de7c..03a11e40 100644
--- a/src/lib/update/populace.c
+++ b/src/lib/update/populace.c
@@ -28,7 +28,7 @@
  *
  *  Known contributors to this file:
  *     Dave Pare, 1986
- *     Markus Armbruster, 2004-2012
+ *     Markus Armbruster, 2004-2013
  */
 
 #include <config.h>
diff --git a/src/lib/w32/sys/socket.h b/src/lib/w32/sys/socket.h
index 6e31ce9d..7a617b9e 100644
--- a/src/lib/w32/sys/socket.h
+++ b/src/lib/w32/sys/socket.h
@@ -28,6 +28,7 @@
  *
  *  Known contributors to this file:
  *     Ron Koenderink, 2007
+ *     Markus Armbruster, 2009-2013
  */
 
 #ifndef SYS_SOCKET_H
diff --git a/src/lib/w32/unistd.h b/src/lib/w32/unistd.h
index d5743148..4c2fc26d 100644
--- a/src/lib/w32/unistd.h
+++ b/src/lib/w32/unistd.h
@@ -28,7 +28,7 @@
  *
  *  Known contributors to this file:
  *     Ron Koenderink, 2007
- *     Markus Armbruster, 2007-2009
+ *     Markus Armbruster, 2007-2013
  */
 
 /*
diff --git a/src/lib/w32/w32misc.h b/src/lib/w32/w32misc.h
index 6705a69c..65259583 100644
--- a/src/lib/w32/w32misc.h
+++ b/src/lib/w32/w32misc.h
@@ -28,7 +28,7 @@
  *
  *  Known contributors to this file:
  *     Ron Koenderink, 2007
- *     Markus Armbruster, 2007-2009
+ *     Markus Armbruster, 2007-2013
  */
 
 /*
diff --git a/src/lib/w32/w32sockets.c b/src/lib/w32/w32sockets.c
index a8daf76c..30bdd705 100644
--- a/src/lib/w32/w32sockets.c
+++ b/src/lib/w32/w32sockets.c
@@ -28,7 +28,7 @@
  *
  *  Known contributors to this file:
  *     Ron Koenderink, 2007-2010
- *     Markus Armbruster, 2007-2010
+ *     Markus Armbruster, 2007-2013
  */
 
 /*
diff --git a/src/server/main.c b/src/server/main.c
index 524a97ec..0fb6f2f2 100644
--- a/src/server/main.c
+++ b/src/server/main.c
@@ -31,7 +31,7 @@
  *     Steve McClure, 1996, 1998
  *     Doug Hay, 1998
  *     Ron Koenderink, 2004-2009
- *     Markus Armbruster, 2005-2012
+ *     Markus Armbruster, 2005-2013
  */
 
 #include <config.h>
diff --git a/src/server/marketup.c b/src/server/marketup.c
index 44999c20..98d16606 100644
--- a/src/server/marketup.c
+++ b/src/server/marketup.c
@@ -28,7 +28,7 @@
  *
  *  Known contributors to this file:
  *     Steve McClure, 1996
- *     Markus Armbruster, 2007
+ *     Markus Armbruster, 2007-2013
  */
 
 #include <config.h>
diff --git a/src/server/shutdown.c b/src/server/shutdown.c
index d7c6b708..7a259f6e 100644
--- a/src/server/shutdown.c
+++ b/src/server/shutdown.c
@@ -28,7 +28,7 @@
  *
  *  Known contributors to this file:
  *     Ken Stevens, 1995
- *     Markus Armbruster, 2007-2008
+ *     Markus Armbruster, 2007-2013
  */
 
 #include <config.h>
diff --git a/src/util/fairland.c b/src/util/fairland.c
index 4e8afa9e..358d6359 100644
--- a/src/util/fairland.c
+++ b/src/util/fairland.c
@@ -29,7 +29,7 @@
  *  Known contributors to this file:
  *     Ken Stevens, 1995
  *     Steve McClure, 1998
- *     Markus Armbruster, 2004-2012
+ *     Markus Armbruster, 2004-2013
  */
 
 #include <config.h>