diff --git a/lib/libc/gen/timezone.3 b/lib/libc/gen/timezone.3
index 8e7c05f4ccad..f50782734fb1 100644
--- a/lib/libc/gen/timezone.3
+++ b/lib/libc/gen/timezone.3
@@ -47,7 +47,8 @@
 .ft B
 This interface is for compatibility only; it is impossible to reliably
 map timezone's arguments to a time zone abbreviation.
-See ctime(3).
+See
+.Xr ctime 3 .
 .ft P
 .Pp
 The
diff --git a/lib/libc/stdlib/malloc.3 b/lib/libc/stdlib/malloc.3
index d90388543819..4f6b9ef5f13e 100644
--- a/lib/libc/stdlib/malloc.3
+++ b/lib/libc/stdlib/malloc.3
@@ -441,9 +441,10 @@ actual values.
 It can be argued that returning a null pointer when asked to
 allocate zero bytes is a silly response to a silly question.
 .Pp
-This implementation was authored by Poul-Henning Kamp.
+This implementation was authored by
+.An Poul-Henning Kamp .
 Please report any problems to him at
-.Li <phk@FreeBSD.org> .
+.Aq phk@FreeBSD.org .
 .Sh HISTORY
 The present allocation implementation started out as a filesystem for a
 drum attached to a 20bit binary challenged computer which was built 
diff --git a/libexec/telnetd/telnetd.8 b/libexec/telnetd/telnetd.8
index 06e98f946deb..51c4fb634bda 100644
--- a/libexec/telnetd/telnetd.8
+++ b/libexec/telnetd/telnetd.8
@@ -536,7 +536,7 @@ The information specified in either
 or
 .Em \&if
 will be displayed to both console and remote logins.
-.Sh ENVIRONMENT
+.\" .Sh ENVIRONMENT
 .Sh FILES
 .Bl -tag -width /usr/ucb/bftp -compact
 .It Pa /etc/services
@@ -624,4 +624,4 @@ never sends
 .Dv IAC GA
 (go ahead) commands.
 .Sh HISTORY
-IPv6 support was added by WIDE/KAME project.
\ No newline at end of file
+IPv6 support was added by WIDE/KAME project.