For clarity and consistency, refer to ".Bx 4.0" rather than ".Bx 4".

Also, mention /usr/ucb/man because /usr/bin/man did not provide -f in 4.0BSD.

1 files changed, 3 insertions, 1 deletions

diff --git a/man.1 b/man.1
index 272da822..6e7a04f9 100644
--- a/man.1
+++ b/man.1
@@ -391,7 +391,9 @@ option first appeared in
 and
 .Fl k
 in
-.Bx 4 ;
+.Pa /usr/usb/man
+in
+.Bx 4.0 ;
 .Fl M
 in
 .Bx 4.3 ;