1 files changed, 20 insertions, 2 deletions
diff --git a/nixos/doc/manual/man-nixos-build-vms.xml b/nixos/doc/manual/man-nixos-build-vms.xml
index 87e4f3dae86..7d6e04e0dd9 100644
--- a/nixos/doc/manual/man-nixos-build-vms.xml
+++ b/nixos/doc/manual/man-nixos-build-vms.xml
@@ -24,8 +24,14 @@
     
    <arg>
     <option>--help</option>
-   </arg>
-    
+  </arg>
+
+  <arg>
+    <option>--option</option>
+    <replaceable>name</replaceable>
+    <replaceable>value</replaceable>
+  </arg>
+
    <arg choice="plain">
     <replaceable>network.nix</replaceable>
    </arg>
@@ -115,6 +121,18 @@
      </para>
     </listitem>
    </varlistentry>
+   <varlistentry>
+    <term>
+     <option>--option</option> <replaceable>name</replaceable> <replaceable>value</replaceable>
+    </term>
+    <listitem>
+     <para>Set the Nix configuration option
+      <replaceable>name</replaceable> to <replaceable>value</replaceable>.
+      This overrides settings in the Nix configuration file (see
+      <citerefentry><refentrytitle>nix.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>).
+     </para>
+    </listitem>
+   </varlistentry>
   </variablelist>
  </refsection>
 </refentry>