diff --git a/gcc/config/clipper/clipper.c b/gcc/config/clipper/clipper.c
index bf4c9891ed1..9e743eb0294 100644
--- a/gcc/config/clipper/clipper.c
+++ b/gcc/config/clipper/clipper.c
@@ -1,5 +1,6 @@
 /* Subroutines for insn-output.c for Clipper
-   Copyright (C) 1987, 88, 91, 97-99, 2000 Free Software Foundation, Inc.
+   Copyright (C) 1987, 1988, 1991, 1997, 1998,
+   1999, 2000 Free Software Foundation, Inc.
    Contributed by Holger Teutsch (holger@hotbso.rhein-main.de)
 
 This file is part of GNU CC.
diff --git a/gcc/config/clipper/clipper.h b/gcc/config/clipper/clipper.h
index 32b2155a30c..4720f869fc7 100644
--- a/gcc/config/clipper/clipper.h
+++ b/gcc/config/clipper/clipper.h
@@ -1,5 +1,6 @@
 /* Definitions of target machine for GNU compiler.  Clipper version.
-   Copyright (C) 1987, 88, 91, 93-96, 98, 99, 2000 Free Software Foundation, Inc.
+   Copyright (C) 1987, 1988, 1991, 1993, 1994, 1995, 1996, 1998,
+   1999, 2000 Free Software Foundation, Inc.
    Contributed by Holger Teutsch (holger@hotbso.rhein-main.de)
 
 This file is part of GNU CC.
diff --git a/gcc/config/convex/convex.c b/gcc/config/convex/convex.c
index 6230478d4e0..ab26edcd312 100644
--- a/gcc/config/convex/convex.c
+++ b/gcc/config/convex/convex.c
@@ -1,5 +1,6 @@
 /* Subroutines for insn-output.c for Convex.
-   Copyright (C) 1988, 93, 94, 97-99, 2000 Free Software Foundation, Inc.
+   Copyright (C) 1988, 1993, 1994, 1997, 1998,
+   1999, 2000 Free Software Foundation, Inc.
 
 This file is part of GNU CC.