diff --git a/src/lib/commands/arm.c b/src/lib/commands/arm.c
index 193dba22..956ddcbb 100644
--- a/src/lib/commands/arm.c
+++ b/src/lib/commands/arm.c
@@ -31,6 +31,7 @@
  *     Dave Pare, 1986
  *     Ken Stevens, 1995
  *     Steve McClure, 2000
+ *     Markus Armbruster, 2006
  */
 
 #include <config.h>
diff --git a/src/lib/commands/powe.c b/src/lib/commands/powe.c
index 00f03ab3..e0fc5d0b 100644
--- a/src/lib/commands/powe.c
+++ b/src/lib/commands/powe.c
@@ -31,6 +31,7 @@
  *     Dave Pare
  *     Ken Stevens, 1995
  *     Steve McClure, 1998-2000
+ *     Markus Armbruster, 2006
  */
 
 #include <config.h>
diff --git a/src/lib/commands/tran.c b/src/lib/commands/tran.c
index d2ff1471..512288aa 100644
--- a/src/lib/commands/tran.c
+++ b/src/lib/commands/tran.c
@@ -29,7 +29,7 @@
  * 
  *  Known contributors to this file:
  *     Steve McClure, 2000
- *  
+ *     Markus Armbruster, 2006
  */
 
 #include <config.h>
diff --git a/src/lib/subs/landgun.c b/src/lib/subs/landgun.c
index ecf68df3..40f4a6b5 100644
--- a/src/lib/subs/landgun.c
+++ b/src/lib/subs/landgun.c
@@ -28,7 +28,7 @@
  *  landgun.c: Return values for land and ship gun firing damages
  * 
  *  Known contributors to this file:
- *  
+ *     Markus Armbruster, 2006
  */
 
 #include <config.h>
diff --git a/src/lib/subs/nuke.c b/src/lib/subs/nuke.c
index ad3eed3c..0d08cbf4 100644
--- a/src/lib/subs/nuke.c
+++ b/src/lib/subs/nuke.c
@@ -30,6 +30,7 @@
  *  Known contributors to this file:
  *     Dave Pare, 1989
  *     Steve McClure, 1996
+ *     Markus Armbruster, 2006
  */
 
 #include <config.h>
diff --git a/src/lib/update/human.c b/src/lib/update/human.c
index ea1a42d2..31d1271b 100644
--- a/src/lib/update/human.c
+++ b/src/lib/update/human.c
@@ -30,6 +30,7 @@
  *  Known contributors to this file:
  *     Dave Pare, 1986
  *     Steve McClure, 1996
+ *     Markus Armbruster, 2004-2006
  */
 
 #include <config.h>