diff --git a/doc/misc/options b/doc/misc/options
index 6160f2d59f..5e39b8cfc9 100644
--- a/doc/misc/options
+++ b/doc/misc/options
@@ -84,7 +84,6 @@ options {
         dnssec-enable <boolean>;
         dnssec-lookaside <string> trust-anchor <string>;
         dnssec-must-be-secure <string> <boolean>;
-        ixfr-from-differences <ixfrdiff>;
         allow-query { <address_match_element>; ... };
         allow-transfer { <address_match_element>; ... };
         allow-update-forwarding { <address_match_element>; ... };
@@ -98,6 +97,7 @@ options {
         forward ( first | only );
         forwarders [ port <integer> ] { ( <ipv4_address> | <ipv6_address> )
             [ port <integer> ]; ... };
+        ixfr-from-differences <boolean>;
         maintain-ixfr-base <boolean>; // obsolete
         max-ixfr-log-size <size>; // obsolete
         max-journal-size <size_no_default>;
@@ -171,7 +171,6 @@ view <string> <optional_class> {
                 database <string>;
                 delegation-only <boolean>;
                 check-names ( fail | warn | ignore );
-                ixfr-from-differences <boolean>;
                 allow-query { <address_match_element>; ... };
                 allow-transfer { <address_match_element>; ... };
                 allow-update-forwarding { <address_match_element>; ... };
@@ -187,6 +186,7 @@ view <string> <optional_class> {
                 forward ( first | only );
                 forwarders [ port <integer> ] { ( <ipv4_address> |
                     <ipv6_address> ) [ port <integer> ]; ... };
+                ixfr-from-differences <boolean>;
                 maintain-ixfr-base <boolean>; // obsolete
                 max-ixfr-log-size <size>; // obsolete
                 max-journal-size <size_no_default>;
@@ -264,7 +264,6 @@ view <string> <optional_class> {
         dnssec-enable <boolean>;
         dnssec-lookaside <string> trust-anchor <string>;
         dnssec-must-be-secure <string> <boolean>;
-        ixfr-from-differences <ixfrdiff>;
         allow-query { <address_match_element>; ... };
         allow-transfer { <address_match_element>; ... };
         allow-update-forwarding { <address_match_element>; ... };
@@ -278,6 +277,7 @@ view <string> <optional_class> {
         forward ( first | only );
         forwarders [ port <integer> ] { ( <ipv4_address> | <ipv6_address> )
             [ port <integer> ]; ... };
+        ixfr-from-differences <boolean>;
         maintain-ixfr-base <boolean>; // obsolete
         max-ixfr-log-size <size>; // obsolete
         max-journal-size <size_no_default>;
@@ -329,7 +329,6 @@ zone <string> <optional_class> {
         database <string>;
         delegation-only <boolean>;
         check-names ( fail | warn | ignore );
-        ixfr-from-differences <boolean>;
         allow-query { <address_match_element>; ... };
         allow-transfer { <address_match_element>; ... };
         allow-update-forwarding { <address_match_element>; ... };
@@ -343,6 +342,7 @@ zone <string> <optional_class> {
         forward ( first | only );
         forwarders [ port <integer> ] { ( <ipv4_address> | <ipv6_address> )
             [ port <integer> ]; ... };
+        ixfr-from-differences <boolean>;
         maintain-ixfr-base <boolean>; // obsolete
         max-ixfr-log-size <size>; // obsolete
         max-journal-size <size_no_default>;