topoh: documentation updated for mask_ip parameter

modules/topoh/README

@@ -128,11 +128,12 @@ modparam("topoh", "mask_key", "some secret here")
 3.2. mask_ip (str)
 
    IP address to be used in masked headers to build valid SIP URIs. Can be
-   any IP address, even a private-space IP address (e.g., 192.168.1.1),
-   but must not be SIP server's local IP address. It is not used at all
-   for SIP routing.
+   any IP address, even a private-space or non-existing IP address (e.g.,
+   192.168.1.1, 127.0.0.2), including the SIP server address, but must not
+   be an address potentially used by clients. It is not used at all for
+   SIP routing.
 
-   Default value is "10.1.1.10".
+   Default value is "127.0.0.8".
 
    Example 1.2. Set mask_ip parameter
 ...

modules/topoh/doc/topoh_admin.xml

@@ -89,13 +89,14 @@ modparam("topoh", "mask_key", "some secret here")
 		<title><varname>mask_ip</varname> (str)</title>
 		<para>
 		IP address to be used in masked headers to build valid
-		SIP URIs. Can be any IP address, even a private-space IP address
-		(e.g., 192.168.1.1), but must not be SIP server's local IP address.
+		SIP URIs. Can be any IP address, even a private-space or non-existing
+		IP address (e.g., 192.168.1.1, 127.0.0.2), including the SIP server
+		address, but must not be an address potentially used by clients.
 		It is not used at all for SIP routing.
 		</para>
 		<para>
 		<emphasis>
-			Default value is "10.1.1.10".
+			Default value is "127.0.0.8".
 		</emphasis>
 		</para>
 		<example>