diff --git a/doc/src/sgml/monitoring.sgml b/doc/src/sgml/monitoring.sgml
index cc014564c97..9f072c9f092 100644
--- a/doc/src/sgml/monitoring.sgml
+++ b/doc/src/sgml/monitoring.sgml
@@ -6805,6 +6805,15 @@ FROM pg_stat_get_backend_idset() AS backendid;
       </para></entry>
      </row>
 
+     <row>
+      <entry role="catalog_table_entry"><para role="column_definition">
+       <structfield>command</structfield> <type>text</type>
+      </para>
+      <para>
+       The command that is running. Either REPACK or VACUUM FULL.
+      </para></entry>
+     </row>
+
      <row>
       <entry role="catalog_table_entry"><para role="column_definition">
        <structfield>phase</structfield> <type>text</type>
