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diff --git a/sbin/ifconfig/ifconfig.8 b/sbin/ifconfig/ifconfig.8
--- a/sbin/ifconfig/ifconfig.8
+++ b/sbin/ifconfig/ifconfig.8
@@ -28,7 +28,7 @@
.\" From: @(#)ifconfig.8 8.3 (Berkeley) 1/5/94
.\" $FreeBSD$
.\"
-.Dd November 8, 2021
+.Dd March 29, 2022
.Dt IFCONFIG 8
.Os
.Sh NAME
@@ -1515,7 +1515,7 @@
.Cm scan
request or through background scanning.
Depending on the capabilities of the stations the following
-flags can be included in the output:
+flags (capability codes) can be included in the output:
.Bl -tag -width 3n
.It Li A
Channel agility.
@@ -1527,21 +1527,33 @@
DSSS/OFDM capability.
.It Li E
Extended Service Set (ESS).
+Indicates that the station is part of an infrastructure network
+rather than an IBSS/ad-hoc network.
.It Li I
Independent Basic Service Set (IBSS).
+Indicates that the station is part of an ad-hoc network
+rather than an ESS network.
.It Li P
Privacy capability.
-The station requires authentication.
+The station requires authentication and encryption
+for all data frames exchanged within the BSS using cryptographic means
+such as WEP, TKIP, or AES-CCMP.
.It Li R
Robust Secure Network (RSN).
.It Li S
Short Preamble.
-Indicates that the station is doing short preamble to optionally
+Indicates that the network is using short preambles,
+defined in 802.11b High Rate/DSSS PHY,
+and utilizes a 56 bit sync field
+rather than the 128 bit field used in long preamble mode.
+Short preambles are used to optionally
improve throughput performance with 802.11g and 802.11b.
.It Li c
Pollable capability.
.It Li s
Short slot time capability.
+Indicates that the 802.11g network is using a short slot time
+because there are no legacy (802.11b) stations present.
.El
.Pp
By default interesting information elements captured from the neighboring

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