diff --git a/doc/misc/options b/doc/misc/options
index e901c6c4ef..6e6ccc2706 100644
--- a/doc/misc/options
+++ b/doc/misc/options
@@ -135,7 +135,7 @@ zone domain_name [ ( in | hs | hesiod | chaos ) ] {
   [ forward ( only | first ); ]				    No
   [ forwarders { [ ip_addr ; [ ip_addr ; ... ] ] }; ]	    No
   [ check-names ( warn | fail | ignore ); ]		    No
-  [ allow-update { address_match_list }; ]		    Yes@
+  [ allow-update { address_match_list }; ]		    Obsolete
   [ allow-query { address_match_list }; ]		    Yes@
   [ allow-transfer { address_match_list }; ]		    Yes@
   [ transfer-source ip_addr; ]				    Yes