[2252] update descriptions of zonename

it doesn't distinguish zone classes.

src/bin/xfrin/b10-xfrin.xml

@@ -234,7 +234,9 @@ operation
               <term><replaceable>zonename</replaceable></term>
               <listitem><simpara>
                 An actual zone name or special zone name
-		<quote>_SERVER_</quote> representing the entire server
+                <quote>_SERVER_</quote> representing the entire server.
+                Zone classes (IN, CH, HS) are mixed and counted so far. But
+                these will be distinguished in future release.
                 </simpara>
                 <variablelist>
 

src/bin/xfrin/xfrin.spec

@@ -122,7 +122,7 @@
           "item_optional": false,
           "item_default": {},
           "item_title": "Zone name",
-          "item_description": "An actual zone name or special zone name _SERVER_ representing the entire server",
+          "item_description": "An actual zone name or special zone name _SERVER_ representing the entire server. Zone classes (IN, CH, HS) are mixed and counted so far. But these will be distinguished in future release.",
           "map_item_spec": [
             {
               "item_name": "soaoutv4",