docs: some manpage fixes

Some editorial changes so the man pages follow the standards.

References:
 procps#173

tload.1

@@ -1,7 +1,7 @@
 .\"             -*-Nroff-*-
 .\"  This page Copyright (C) 1993 Matt Welsh, mdw@tc.cornell.edu.
 .\"  Freely distributable under the terms of the GPL
-.TH TLOAD "1" "June 2011" "procps-ng" "User Commands"
+.TH TLOAD "1" "2020-06-04" "procps-ng" "User Commands"
 .SH NAME
 tload \- graphic representation of system load average
 .SH SYNOPSIS
@@ -11,7 +11,9 @@ tload \- graphic representation of system load average
 .B tload
 prints a graph of the current system load average to the specified
 .I tty
-(or the tty of the tload process if none is specified).
+(or the tty of the
+.B tload
+process if none is specified).
 .SH OPTIONS
 .TP
 \fB\-s\fR, \fB\-\-scale\fR \fInumber\fR