diff --git a/Shorewall/manpages/shorewall-masq.xml b/Shorewall/manpages/shorewall-masq.xml
index 6c696db4b..a229376b0 100644
--- a/Shorewall/manpages/shorewall-masq.xml
+++ b/Shorewall/manpages/shorewall-masq.xml
@@ -143,7 +143,7 @@
       </varlistentry>
 
       <varlistentry>
-        <term>(Formerly called SUBNET) -
+        <term>SOURCE (Formerly called SUBNET) -
         {<emphasis>interface</emphasis>|<emphasis>address</emphasis>[<emphasis
         role="bold">,</emphasis><emphasis>address</emphasis>][<emphasis>exclusion</emphasis>]}</term>