diff --git a/experimental/deprecated/constants.go b/experimental/deprecated/constants.go
index 270eda65..d5c3ca48 100644
--- a/experimental/deprecated/constants.go
+++ b/experimental/deprecated/constants.go
@@ -148,10 +148,11 @@ var OptionTUNGSO = Note{
 
 var OptionLegacyDNSTransport = Note{
 	Name:              "legacy-dns-transport",
-	Description:       "legacy DNS transport",
+	Description:       "legacy DNS servers",
 	DeprecatedVersion: "1.12.0",
 	ScheduledVersion:  "1.14.0",
-	EnvName:           "LEGACY_DNS_TRANSPORT",
+	EnvName:           "LEGACY_DNS_SERVERS",
+	MigrationLink:     "https://sing-box.sagernet.org/migration/#migrate-to-new-dns-server-formats",
 }
 
 var OptionLegacyDNSFakeIPOptions = Note{
@@ -159,6 +160,7 @@ var OptionLegacyDNSFakeIPOptions = Note{
 	Description:       "legacy DNS fakeip options",
 	DeprecatedVersion: "1.12.0",
 	ScheduledVersion:  "1.14.0",
+	MigrationLink:     "https://sing-box.sagernet.org/migration/#migrate-to-new-dns-server-formats",
 }
 
 var OptionOutboundDNSRuleItem = Note{
@@ -166,6 +168,7 @@ var OptionOutboundDNSRuleItem = Note{
 	Description:       "outbound DNS rule item",
 	DeprecatedVersion: "1.12.0",
 	ScheduledVersion:  "1.14.0",
+	MigrationLink:     "https://sing-box.sagernet.org/migration/#migrate-outbound-dns-rule-items-to-domain-resolver",
 }
 
 var OptionMissingDomainResolver = Note{
@@ -173,6 +176,7 @@ var OptionMissingDomainResolver = Note{
 	Description:       "missing `route.default_domain_resolver` or `domain_resolver` in dial fields",
 	DeprecatedVersion: "1.12.0",
 	ScheduledVersion:  "1.14.0",
+	MigrationLink:     "https://sing-box.sagernet.org/migration/#migrate-outbound-dns-rule-items-to-domain-resolver",
 }
 
 var Options = []Note{