[master] zone "file" option was undocumented

diff --git a/doc/arm/Bv9ARM-book.xml b/doc/arm/Bv9ARM-book.xml
index ade3669917c48fcbe58a8e954681fcccf9bf5957..42e94788768b9b3892b7dc4ca240b52813219291 100644 (file)
--- a/doc/arm/Bv9ARM-book.xml
+++ b/doc/arm/Bv9ARM-book.xml
@@ -12510,6 +12510,23 @@ view "external" {
                </listitem>
              </varlistentry>
 
+             <varlistentry>
+               <term><command>file</command></term>
+               <listitem>
+                 <para>
+                   Set the zone's filename. In <command>master</command>,
+                   <command>hint</command>, and <command>redirect</command>
+                   zones which do not have <command>masters</command>
+                   defined, zone data is loaded from this file. In
+                   <command>slave</command>, <command>stub</command>, and
+                   <command>redirect</command> zones which do have
+                   <command>masters</command> defined, zone data is
+                   retrieved from another server and saved in this file.
+                   This option is not applicable to other zone types.
+                 </para>
+               </listitem>
+             </varlistentry>
+
              <varlistentry>
                <term><command>forward</command></term>
                <listitem>