diff --git a/lib/libc/sys/ptrace.2 b/lib/libc/sys/ptrace.2
index 7548e92bdaee..69c1d36c08d3 100644
--- a/lib/libc/sys/ptrace.2
+++ b/lib/libc/sys/ptrace.2
@@ -1,7 +1,7 @@
-.\"	$NetBSD: ptrace.2,v 1.35 2011/08/31 23:04:33 jmcneill Exp $
+.\"	$NetBSD: ptrace.2,v 1.36 2014/07/28 08:10:23 christos Exp $
 .\"
 .\" This file is in the public domain.
-.Dd August 31, 2011
+.Dd July 28, 2014
 .Dt PTRACE 2
 .Os
 .Sh NAME
@@ -110,7 +110,7 @@ argument supplies the value to be written.
 .\" .Fa addr
 .\" argument specifies the location of the int relative to the base of the
 .\" user structure; it will usually be an integer value cast to
-.\" .Li caddr_t
+.\" .Li void *
 .\" either explicitly or via the presence of a prototype for
 .\" .Eo \&
 .\" .Fn ptrace
@@ -145,7 +145,7 @@ The traced process continues execution.
 .Fa addr
 is an address specifying the place where execution is to be resumed (a
 new value for the program counter), or
-.Li (caddr_t)1
+.Li (void *)1
 to indicate that execution is to pick up where it left off.
 .Fa data
 provides a signal number to be delivered to the traced process as it
@@ -588,7 +588,7 @@ Using
 and
 .Dv PT_SETREGS
 to modify the PC, passing
-.Li (caddr_t)1
+.Li (void *)1
 to
 .Eo \&
 .Fn ptrace