diff --git a/buildsys.mk.in b/buildsys.mk.in
index 75f4597..7659d7c 100644
--- a/buildsys.mk.in
+++ b/buildsys.mk.in
@@ -1,5 +1,5 @@
 #
-#  Copyright (c) 2007, Jonathan Schleifer <js-buildsys@webkeks.org>
+#  Copyright (c) 2007 - 2008, Jonathan Schleifer <js-buildsys@webkeks.org>
 #
 #  https://webkeks.org/hg/buildsys/
 #
diff --git a/m4/buildsys.m4 b/m4/buildsys.m4
index 4520e42..f797337 100644
--- a/m4/buildsys.m4
+++ b/m4/buildsys.m4
@@ -1,5 +1,5 @@
 dnl
-dnl Copyright (c) 2007, Jonathan Schleifer <js-buildsys@webkeks.org>
+dnl Copyright (c) 2007 - 2008, Jonathan Schleifer <js-buildsys@webkeks.org>
 dnl
 dnl https://webkeks.org/hg/buildsys/
 dnl