diff --git a/sys/ddb/db_access.c b/sys/ddb/db_access.c
index d8224ada5a52..2d17504070c6 100644
--- a/sys/ddb/db_access.c
+++ b/sys/ddb/db_access.c
@@ -1,4 +1,4 @@
-/*
+/*-
  * Mach Operating System
  * Copyright (c) 1991,1990 Carnegie Mellon University
  * All Rights Reserved.
diff --git a/sys/ddb/db_access.h b/sys/ddb/db_access.h
index 9709c3141f67..44915e316d15 100644
--- a/sys/ddb/db_access.h
+++ b/sys/ddb/db_access.h
@@ -1,4 +1,4 @@
-/*
+/*-
  * Mach Operating System
  * Copyright (c) 1991,1990 Carnegie Mellon University
  * All Rights Reserved.
diff --git a/sys/ddb/db_break.c b/sys/ddb/db_break.c
index 78f4f4f3039e..ac0c87418487 100644
--- a/sys/ddb/db_break.c
+++ b/sys/ddb/db_break.c
@@ -1,4 +1,4 @@
-/*
+/*-
  * Mach Operating System
  * Copyright (c) 1991,1990 Carnegie Mellon University
  * All Rights Reserved.
diff --git a/sys/ddb/db_break.h b/sys/ddb/db_break.h
index d6ed76e6a821..f30b9337c26c 100644
--- a/sys/ddb/db_break.h
+++ b/sys/ddb/db_break.h
@@ -1,4 +1,4 @@
-/*
+/*-
  * Mach Operating System
  * Copyright (c) 1991,1990 Carnegie Mellon University
  * All Rights Reserved.
diff --git a/sys/ddb/db_command.c b/sys/ddb/db_command.c
index 2e45a3d2ae66..904b6a61f0a2 100644
--- a/sys/ddb/db_command.c
+++ b/sys/ddb/db_command.c
@@ -1,4 +1,4 @@
-/*
+/*-
  * Mach Operating System
  * Copyright (c) 1991,1990 Carnegie Mellon University
  * All Rights Reserved.
diff --git a/sys/ddb/db_command.h b/sys/ddb/db_command.h
index bc5fe6cbe42a..1825b0e3c6fc 100644
--- a/sys/ddb/db_command.h
+++ b/sys/ddb/db_command.h
@@ -1,4 +1,4 @@
-/*
+/*-
  * Mach Operating System
  * Copyright (c) 1991,1990 Carnegie Mellon University
  * All Rights Reserved.
diff --git a/sys/ddb/db_examine.c b/sys/ddb/db_examine.c
index aa89022cfb43..9be98e46048c 100644
--- a/sys/ddb/db_examine.c
+++ b/sys/ddb/db_examine.c
@@ -1,4 +1,4 @@
-/*
+/*-
  * Mach Operating System
  * Copyright (c) 1991,1990 Carnegie Mellon University
  * All Rights Reserved.
diff --git a/sys/ddb/db_expr.c b/sys/ddb/db_expr.c
index 3495a58117c0..0bf6c836e329 100644
--- a/sys/ddb/db_expr.c
+++ b/sys/ddb/db_expr.c
@@ -1,4 +1,4 @@
-/*
+/*-
  * Mach Operating System
  * Copyright (c) 1991,1990 Carnegie Mellon University
  * All Rights Reserved.
diff --git a/sys/ddb/db_input.c b/sys/ddb/db_input.c
index fa66c0f7bae0..27af2655c19b 100644
--- a/sys/ddb/db_input.c
+++ b/sys/ddb/db_input.c
@@ -1,4 +1,4 @@
-/*
+/*-
  * Mach Operating System
  * Copyright (c) 1991,1990 Carnegie Mellon University
  * All Rights Reserved.
diff --git a/sys/ddb/db_lex.c b/sys/ddb/db_lex.c
index b8b2e3b22315..a04103b00deb 100644
--- a/sys/ddb/db_lex.c
+++ b/sys/ddb/db_lex.c
@@ -1,4 +1,4 @@
-/*
+/*-
  * Mach Operating System
  * Copyright (c) 1991,1990 Carnegie Mellon University
  * All Rights Reserved.
diff --git a/sys/ddb/db_lex.h b/sys/ddb/db_lex.h
index 538a86675035..07955e9dc5cd 100644
--- a/sys/ddb/db_lex.h
+++ b/sys/ddb/db_lex.h
@@ -1,4 +1,4 @@
-/*
+/*-
  * Mach Operating System
  * Copyright (c) 1991,1990 Carnegie Mellon University
  * All Rights Reserved.
diff --git a/sys/ddb/db_main.c b/sys/ddb/db_main.c
index 8344deed47a3..d047aebcec82 100644
--- a/sys/ddb/db_main.c
+++ b/sys/ddb/db_main.c
@@ -1,4 +1,4 @@
-/*
+/*-
  * Mach Operating System
  * Copyright (c) 1991,1990 Carnegie Mellon University
  * All Rights Reserved.
diff --git a/sys/ddb/db_output.c b/sys/ddb/db_output.c
index 27e57a5a10fe..3a0fbc5b73d4 100644
--- a/sys/ddb/db_output.c
+++ b/sys/ddb/db_output.c
@@ -1,4 +1,4 @@
-/*
+/*-
  * Mach Operating System
  * Copyright (c) 1991,1990 Carnegie Mellon University
  * All Rights Reserved.
diff --git a/sys/ddb/db_output.h b/sys/ddb/db_output.h
index cca5a8975379..7615ea67f6cd 100644
--- a/sys/ddb/db_output.h
+++ b/sys/ddb/db_output.h
@@ -1,4 +1,4 @@
-/*
+/*-
  * Mach Operating System
  * Copyright (c) 1991,1990 Carnegie Mellon University
  * All Rights Reserved.
diff --git a/sys/ddb/db_print.c b/sys/ddb/db_print.c
index b173c8ca95e3..8f3f93d5500a 100644
--- a/sys/ddb/db_print.c
+++ b/sys/ddb/db_print.c
@@ -1,4 +1,4 @@
-/*
+/*-
  * Mach Operating System
  * Copyright (c) 1991,1990 Carnegie Mellon University
  * All Rights Reserved.
diff --git a/sys/ddb/db_run.c b/sys/ddb/db_run.c
index 6f09593192a8..6e466c3db3ad 100644
--- a/sys/ddb/db_run.c
+++ b/sys/ddb/db_run.c
@@ -1,4 +1,4 @@
-/*
+/*-
  * Mach Operating System
  * Copyright (c) 1991,1990 Carnegie Mellon University
  * All Rights Reserved.
diff --git a/sys/ddb/db_sym.c b/sys/ddb/db_sym.c
index 5714950aecc7..fd7596fb4350 100644
--- a/sys/ddb/db_sym.c
+++ b/sys/ddb/db_sym.c
@@ -1,4 +1,4 @@
-/*
+/*-
  * Mach Operating System
  * Copyright (c) 1991,1990 Carnegie Mellon University
  * All Rights Reserved.
diff --git a/sys/ddb/db_sym.h b/sys/ddb/db_sym.h
index 8fb5866bac68..f68ccbcaf726 100644
--- a/sys/ddb/db_sym.h
+++ b/sys/ddb/db_sym.h
@@ -1,4 +1,4 @@
-/*
+/*-
  * Mach Operating System
  * Copyright (c) 1991,1990 Carnegie Mellon University
  * All Rights Reserved.
diff --git a/sys/ddb/db_thread.c b/sys/ddb/db_thread.c
index 5a8557a0a651..5b50f5657d92 100644
--- a/sys/ddb/db_thread.c
+++ b/sys/ddb/db_thread.c
@@ -1,4 +1,4 @@
-/*
+/*-
  * Copyright (c) 2004 Marcel Moolenaar
  * All rights reserved.
  *
diff --git a/sys/ddb/db_variables.c b/sys/ddb/db_variables.c
index 6322a33b535e..706ebe60ec94 100644
--- a/sys/ddb/db_variables.c
+++ b/sys/ddb/db_variables.c
@@ -1,4 +1,4 @@
-/*
+/*-
  * Mach Operating System
  * Copyright (c) 1991,1990 Carnegie Mellon University
  * All Rights Reserved.
diff --git a/sys/ddb/db_variables.h b/sys/ddb/db_variables.h
index 7f7a463bdcfe..1ff0e4442d00 100644
--- a/sys/ddb/db_variables.h
+++ b/sys/ddb/db_variables.h
@@ -1,4 +1,4 @@
-/*
+/*-
  * Mach Operating System
  * Copyright (c) 1991,1990 Carnegie Mellon University
  * All Rights Reserved.
diff --git a/sys/ddb/db_watch.c b/sys/ddb/db_watch.c
index af3e7d51d16b..6aa8103758d7 100644
--- a/sys/ddb/db_watch.c
+++ b/sys/ddb/db_watch.c
@@ -1,4 +1,4 @@
-/*
+/*-
  * Mach Operating System
  * Copyright (c) 1991,1990 Carnegie Mellon University
  * All Rights Reserved.
diff --git a/sys/ddb/db_watch.h b/sys/ddb/db_watch.h
index 18943f43942d..7c48ce8af1b1 100644
--- a/sys/ddb/db_watch.h
+++ b/sys/ddb/db_watch.h
@@ -1,4 +1,4 @@
-/*
+/*-
  * Mach Operating System
  * Copyright (c) 1991,1990 Carnegie Mellon University
  * All Rights Reserved.
diff --git a/sys/ddb/db_write_cmd.c b/sys/ddb/db_write_cmd.c
index 69353c13183e..64d347364875 100644
--- a/sys/ddb/db_write_cmd.c
+++ b/sys/ddb/db_write_cmd.c
@@ -1,4 +1,4 @@
-/*
+/*-
  * Mach Operating System
  * Copyright (c) 1991,1990 Carnegie Mellon University
  * All Rights Reserved.