diff --git a/src/kernel/libroot/posix/pthread/pthread_mutex.c b/src/kernel/libroot/posix/pthread/pthread_mutex.c
index 53d330a1aa..a8bb3eabdd 100644
--- a/src/kernel/libroot/posix/pthread/pthread_mutex.c
+++ b/src/kernel/libroot/posix/pthread/pthread_mutex.c
@@ -1,3 +1,9 @@
+/* 
+** Copyright 2003, Axel Dörfler, axeld@pinc-software.de. All rights reserved.
+** Distributed under the terms of the OpenBeOS License.
+*/
+
+
 #include <pthread.h>
 #include "pthread_private.h"
 
diff --git a/src/kernel/libroot/posix/pthread/pthread_mutexattr.c b/src/kernel/libroot/posix/pthread/pthread_mutexattr.c
index ccfa5b2ae1..39cac20aee 100644
--- a/src/kernel/libroot/posix/pthread/pthread_mutexattr.c
+++ b/src/kernel/libroot/posix/pthread/pthread_mutexattr.c
@@ -1,3 +1,9 @@
+/* 
+** Copyright 2003, Axel Dörfler, axeld@pinc-software.de. All rights reserved.
+** Distributed under the terms of the OpenBeOS License.
+*/
+
+
 #include <pthread.h>
 #include "pthread_private.h"
 
diff --git a/src/kernel/libroot/posix/pthread/pthread_private.h b/src/kernel/libroot/posix/pthread/pthread_private.h
index a3d397744e..3a28d42f3f 100644
--- a/src/kernel/libroot/posix/pthread/pthread_private.h
+++ b/src/kernel/libroot/posix/pthread/pthread_private.h
@@ -1,5 +1,9 @@
 #ifndef _PTHREAD_PRIVATE_H_
 #define _PTHREAD_PRIVATE_H_
+/* 
+** Copyright 2003, Axel Dörfler, axeld@pinc-software.de. All rights reserved.
+** Distributed under the terms of the OpenBeOS License.
+*/
 
 #include <OS.h>