diff --git a/node/node.go b/node/node.go
index 16f32ea0facb..40eb8dc16bef 100644
--- a/node/node.go
+++ b/node/node.go
@@ -1084,7 +1084,7 @@ func (n *Node) initVMs() error {
 				ApricotPhase5Time:             version.GetApricotPhase5Time(n.Config.NetworkID),
 				BanffTime:                     version.GetBanffTime(n.Config.NetworkID),
 				CortinaTime:                   version.GetCortinaTime(n.Config.NetworkID),
-				DTime:                         version.GetDTime(n.Config.NetworkID),
+				DurangoTime:                   version.GetDurangoTime(n.Config.NetworkID),
 				UseCurrentHeight:              n.Config.UseCurrentHeight,
 			},
 		}),
diff --git a/version/constants.go b/version/constants.go
index 5d57933e424b..a9bc3d2a6f91 100644
--- a/version/constants.go
+++ b/version/constants.go
@@ -99,7 +99,7 @@ var (
 	CortinaXChainStopVertexID map[uint32]ids.ID
 
 	// TODO: update this before release
-	DTimes = map[uint32]time.Time{
+	DurangoTimes = map[uint32]time.Time{
 		constants.MainnetID: time.Date(10000, time.December, 1, 0, 0, 0, 0, time.UTC),
 		constants.FujiID:    time.Date(10000, time.December, 1, 0, 0, 0, 0, time.UTC),
 	}
@@ -191,8 +191,8 @@ func GetCortinaTime(networkID uint32) time.Time {
 	return DefaultUpgradeTime
 }
 
-func GetDTime(networkID uint32) time.Time {
-	if upgradeTime, exists := DTimes[networkID]; exists {
+func GetDurangoTime(networkID uint32) time.Time {
+	if upgradeTime, exists := DurangoTimes[networkID]; exists {
 		return upgradeTime
 	}
 	return DefaultUpgradeTime
diff --git a/vms/platformvm/config/config.go b/vms/platformvm/config/config.go
index 05068e46a69d..f9504708f78a 100644
--- a/vms/platformvm/config/config.go
+++ b/vms/platformvm/config/config.go
@@ -104,8 +104,8 @@ type Config struct {
 	// Time of the Cortina network upgrade
 	CortinaTime time.Time
 
-	// Time of the D network upgrade
-	DTime time.Time
+	// Time of the Durango network upgrade
+	DurangoTime time.Time
 
 	// UseCurrentHeight forces [GetMinimumHeight] to return the current height
 	// of the P-Chain instead of the oldest block in the [recentlyAccepted]
@@ -133,9 +133,8 @@ func (c *Config) IsCortinaActivated(timestamp time.Time) bool {
 	return !timestamp.Before(c.CortinaTime)
 }
 
-// TODO: Rename
-func (c *Config) IsDActivated(timestamp time.Time) bool {
-	return !timestamp.Before(c.DTime)
+func (c *Config) IsDurangoActivated(timestamp time.Time) bool {
+	return !timestamp.Before(c.DurangoTime)
 }
 
 func (c *Config) GetCreateBlockchainTxFee(timestamp time.Time) uint64 {
diff --git a/vms/platformvm/txs/executor/staker_tx_verification.go b/vms/platformvm/txs/executor/staker_tx_verification.go
index 9ec4880e4a44..7fae0e78a85b 100644
--- a/vms/platformvm/txs/executor/staker_tx_verification.go
+++ b/vms/platformvm/txs/executor/staker_tx_verification.go
@@ -37,7 +37,7 @@ var (
 	ErrDuplicateValidator              = errors.New("duplicate validator")
 	ErrDelegateToPermissionedValidator = errors.New("delegation to permissioned validator")
 	ErrWrongStakedAssetID              = errors.New("incorrect staked assetID")
-	ErrDUpgradeNotActive               = errors.New("attempting to use a D-upgrade feature prior to activation")
+	ErrDurangoUpgradeNotActive         = errors.New("attempting to use a Durango-upgrade feature prior to activation")
 )
 
 // verifySubnetValidatorPrimaryNetworkRequirements verifies the primary
@@ -727,8 +727,8 @@ func verifyTransferSubnetOwnershipTx(
 	sTx *txs.Tx,
 	tx *txs.TransferSubnetOwnershipTx,
 ) error {
-	if !backend.Config.IsDActivated(chainState.GetTimestamp()) {
-		return ErrDUpgradeNotActive
+	if !backend.Config.IsDurangoActivated(chainState.GetTimestamp()) {
+		return ErrDurangoUpgradeNotActive
 	}
 
 	// Verify the tx is well-formed
diff --git a/vms/platformvm/txs/executor/standard_tx_executor.go b/vms/platformvm/txs/executor/standard_tx_executor.go
index 22bab59afd3b..63069cb5d5d5 100644
--- a/vms/platformvm/txs/executor/standard_tx_executor.go
+++ b/vms/platformvm/txs/executor/standard_tx_executor.go
@@ -516,8 +516,8 @@ func (e *StandardTxExecutor) TransferSubnetOwnershipTx(tx *txs.TransferSubnetOwn
 }
 
 func (e *StandardTxExecutor) BaseTx(tx *txs.BaseTx) error {
-	if !e.Backend.Config.IsDActivated(e.State.GetTimestamp()) {
-		return ErrDUpgradeNotActive
+	if !e.Backend.Config.IsDurangoActivated(e.State.GetTimestamp()) {
+		return ErrDurangoUpgradeNotActive
 	}
 
 	// Verify the tx is well-formed