diff --git a/docs/CompiledPrograms.xml b/docs/CompiledPrograms.xml
index 34abc5975..c8d684714 100644
--- a/docs/CompiledPrograms.xml
+++ b/docs/CompiledPrograms.xml
@@ -179,6 +179,12 @@
         network. You need not configure Shorewall there and you may totally
         disable startup of Shorewall in your init scripts. For ease of
         reference, we call this system the 'administrative system'.</para>
+
+        <para>The administrative system may be a Windows system running <ulink
+        url="http://www.cygwin.com/">Cygwin</ulink> or an <ulink
+        url="http://www.apple.com/mac/">Apple MacIntosh</ulink> running OS X.
+        Install from a shell prompt <ulink url="Install.htm">using the
+        install.sh script</ulink>.</para>
       </listitem>
 
       <listitem>
diff --git a/docs/LennyToSqueeze.xml b/docs/LennyToSqueeze.xml
index 27c97b346..1bc54f48b 100644
--- a/docs/LennyToSqueeze.xml
+++ b/docs/LennyToSqueeze.xml
@@ -165,8 +165,9 @@
         not feasible to install Perl on your firewall, then you should
         consider installing Shorewall on another system in your network (may
         be a <trademark>Windows</trademark> system running
-        <trademark>Cygwin</trademark>) and installing Shorewall-lite on your
-        firewall.</para>
+        <trademark>Cygwin</trademark> or an <trademark>Apple</trademark>
+        <trademark>MacIntosh</trademark> running OS X) and installing
+        Shorewall-lite on your firewall.</para>
       </footnote>. While the two compilers are highly compatible, there are
     some differences. Those differences are detailed in the following
     sections.</para>
diff --git a/docs/Shorewall-perl.xml b/docs/Shorewall-perl.xml
index 78ba5d474..2e9bb9930 100644
--- a/docs/Shorewall-perl.xml
+++ b/docs/Shorewall-perl.xml
@@ -583,8 +583,10 @@ DNAT-              net                192.168.1.3      tcp          21</programl
       environment. The best way to work around this limitation is to install
       Shorewall-perl on an administrative system and employ Shorewall-lite on
       your embedded systems. Shorewall-perl will run on Windows under <ulink
-      url="http://www.cygwin.com/">Cygwin</ulink>. Install using the
-      install.sh script.</para>
+      url="http://www.cygwin.com/">Cygwin</ulink> and on an <ulink
+      url="http://www.apple.com/mac/">Apple MacIntosh</ulink> running OS X.
+      Install from a shell prompt <ulink url="Install.htm">using the
+      install.sh script</ulink>.</para>
     </section>
   </section>
 
diff --git a/docs/shorewall_features.xml b/docs/shorewall_features.xml
index 8f695a447..9b21a33fd 100644
--- a/docs/shorewall_features.xml
+++ b/docs/shorewall_features.xml
@@ -87,7 +87,8 @@
           <listitem>
             <para>Shorewall installed on a single administrative system. May
             be a <trademark>Windows</trademark> PC running
-            <trademark>Cygwin</trademark>.</para>
+            <trademark>Cygwin</trademark> or an <trademark>Apple
+            MacIntosh</trademark> running OS X.</para>
           </listitem>
 
           <listitem>