more library history

facts checked by sobrado@
style tweaks and ok jmc@

1 files changed, 4 insertions, 3 deletions

diff --git a/src/lib/libc/string/strlen.3 b/src/lib/libc/string/strlen.3
index 4d416e200a..5428627abb 100644
--- a/src/lib/libc/string/strlen.3
+++ b/src/lib/libc/string/strlen.3
@@ -1,4 +1,4 @@
-.\"     $OpenBSD: strlen.3,v 1.11 2013/06/05 03:39:23 tedu Exp $
+.\"     $OpenBSD: strlen.3,v 1.12 2013/07/17 05:42:11 schwarze Exp $
 .\"
 .\" Copyright (c) 1990, 1991 The Regents of the University of California.
 .\" All rights reserved.
@@ -31,7 +31,7 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.Dd $Mdocdate: June 5 2013 $
+.Dd $Mdocdate: July 17 2013 $
 .Dt STRLEN 3
 .Os
 .Sh NAME
@@ -95,7 +95,8 @@ functions conform to
 .Sh HISTORY
 The
 .Fn strlen
-function first appeared in
+function first appeared in the Programmer's Workbench (PWB/UNIX)
+and was ported to
 .At v7 .
 The
 .Fn strnlen