diff --git a/doc/source/admin/how_it_works.rst b/doc/source/admin/how_it_works.rst
index 03a13cfab..7154d219f 100644
--- a/doc/source/admin/how_it_works.rst
+++ b/doc/source/admin/how_it_works.rst
@@ -88,7 +88,10 @@ fields:
         inspection process instead of ``total``.
 
 ``bmc_address``
-    IP address of the node's BMC (aka IPMI address), optional.
+    IPv4 address of the node's BMC (aka IPMI v4 address), optional.
+
+``bmc_v6address``
+    IPv6 address of the node's BMC (aka IPMI v6 address), optional.
 
 ``disks``
     list of disk block devices with fields: ``name``, ``model``,