In its EXAMPLE section, sadf manual page says that
sadf -d /var/log/sa/sa21 -- -r -n DEV
extracts memory, swap space and network statistics from the data file.
This is no longer true as swap statistics are now displayed with option
-S and not option -r. So fix the wrong comment.
-.TH SADF 1 "JULY 2012" Linux "Linux User's Manual" -*- nroff -*-
+.TH SADF 1 "JUNE 2013" Linux "Linux User's Manual" -*- nroff -*-
.SH NAME
sadf \- Display data collected by sar in multiple formats.
.SH SYNOPSIS
.SH EXAMPLES
.B sadf -d @SA_DIR@/sa21 -- -r -n DEV
.RS
-Extract memory, swap space and network statistics from system activity
+Extract memory and network statistics from system activity
file 'sa21', and display them in a format that can be ingested by a
database.
.RE