diff --git a/docs/plugins/zero.rst b/docs/plugins/zero.rst
index ecaa60a3d..282bb4fc8 100644
--- a/docs/plugins/zero.rst
+++ b/docs/plugins/zero.rst
@@ -18,6 +18,7 @@ Configuration
 Make a ``zero:`` section in your configuration file. You can specify the
 fields to nullify and the conditions for nullifying them:
 
+* Set ``auto`` to ``yes`` to null fields automatically on import. Default ``yes``
 * Set ``fields`` to a whitespace-separated list of fields to change. You can
   get the list of all available fields by running ``beet fields``. In
   addition, the ``images`` field allows you to remove any images
@@ -42,3 +43,9 @@ If a custom pattern is not defined for a given field, the field will be nulled
 unconditionally.
 
 Note that the plugin currently does not zero fields when importing "as-is".
+
+Manually Triggering Zero
+------------------------
+
+The ``zero`` command will invoke the zero plugin on items matching a query. Use the
+command ``beet zero [QUERY]``