diff --git a/en_US.ISO8859-1/books/handbook/advanced-networking/chapter.sgml b/en_US.ISO8859-1/books/handbook/advanced-networking/chapter.sgml
index 40f0360797..5e269f01b6 100644
--- a/en_US.ISO8859-1/books/handbook/advanced-networking/chapter.sgml
+++ b/en_US.ISO8859-1/books/handbook/advanced-networking/chapter.sgml
@@ -843,6 +843,13 @@ route_net2="-net 192.168.1.0/24 192.168.1.1"</programlisting>
 	<programlisting>wlan_scan_ap_load="YES"
 wlan_scan_sta_load="YES"</programlisting>
 
+	<note>
+	  <para>Both <literal>wlan_scan_ap</literal> and
+	    <literal>wlan_scan_sta</literal> modules are required by
+	    &os;&nbsp;7.X, other &os; versions do not need
+	    them.</para>
+	</note>
+
 	<para>With that you will need the modules
 	  that implement cryptographic support for the security
 	  protocols you intend to use.  These are intended to be
@@ -883,6 +890,11 @@ device wlan_wep          # WEP crypto support for 802.11 devices
 device wlan_ccmp         # AES-CCMP crypto support for 802.11 devices
 device wlan_tkip         # TKIP and Michael crypto support for 802.11 devices</programlisting>
 
+	  <para>Both <literal>wlan_scan_ap</literal> and
+	    <literal>wlan_scan_sta</literal> lines are required by
+	    &os;&nbsp;7.X, other &os; versions do not need
+	    them.</para>
+
 	  <para>With this information in the kernel configuration
 	    file, recompile the kernel and reboot your &os;
 	    machine.</para>