diff --git a/Stellar-contract-config-setting.x b/Stellar-contract-config-setting.x
index ac4c400..6956434 100644
--- a/Stellar-contract-config-setting.x
+++ b/Stellar-contract-config-setting.x
@@ -162,17 +162,17 @@ struct ContractCostParamEntry {
     int64 linearTerm;
 };
 
-struct StateExpirationSettings {
-    uint32 maxEntryExpiration;
-    uint32 minTempEntryExpiration;
-    uint32 minPersistentEntryExpiration;
+struct StateArchivalSettings {
+    uint32 maxEntryTTL;
+    uint32 minTemporaryTTL;
+    uint32 minPersistentTTL;
 
     // rent_fee = wfee_rate_average / rent_rate_denominator_for_type
     int64 persistentRentRateDenominator;
     int64 tempRentRateDenominator;
 
-    // max number of entries that emit expiration meta in a single ledger
-    uint32 maxEntriesToExpire;
+    // max number of entries that emit archival meta in a single ledger
+    uint32 maxEntriesToArchive;
 
     // Number of snapshots to use when calculating average BucketList size
     uint32 bucketListSizeWindowSampleSize;
@@ -208,7 +208,7 @@ enum ConfigSettingID
     CONFIG_SETTING_CONTRACT_COST_PARAMS_MEMORY_BYTES = 7,
     CONFIG_SETTING_CONTRACT_DATA_KEY_SIZE_BYTES = 8,
     CONFIG_SETTING_CONTRACT_DATA_ENTRY_SIZE_BYTES = 9,
-    CONFIG_SETTING_STATE_EXPIRATION = 10,
+    CONFIG_SETTING_STATE_ARCHIVAL = 10,
     CONFIG_SETTING_CONTRACT_EXECUTION_LANES = 11,
     CONFIG_SETTING_BUCKETLIST_SIZE_WINDOW = 12,
     CONFIG_SETTING_EVICTION_ITERATOR = 13
@@ -236,8 +236,8 @@ case CONFIG_SETTING_CONTRACT_DATA_KEY_SIZE_BYTES:
     uint32 contractDataKeySizeBytes;
 case CONFIG_SETTING_CONTRACT_DATA_ENTRY_SIZE_BYTES:
     uint32 contractDataEntrySizeBytes;
-case CONFIG_SETTING_STATE_EXPIRATION:
-    StateExpirationSettings stateExpirationSettings;
+case CONFIG_SETTING_STATE_ARCHIVAL:
+    StateArchivalSettings stateArchivalSettings;
 case CONFIG_SETTING_CONTRACT_EXECUTION_LANES:
     ConfigSettingContractExecutionLanesV0 contractExecutionLanes;
 case CONFIG_SETTING_BUCKETLIST_SIZE_WINDOW:
diff --git a/Stellar-ledger-entries.x b/Stellar-ledger-entries.x
index f066484..8a8784e 100644
--- a/Stellar-ledger-entries.x
+++ b/Stellar-ledger-entries.x
@@ -101,7 +101,7 @@ enum LedgerEntryType
     CONTRACT_DATA = 6,
     CONTRACT_CODE = 7,
     CONFIG_SETTING = 8,
-    EXPIRATION = 9
+    TTL = 9
 };
 
 struct Signer
@@ -515,10 +515,10 @@ struct ContractCodeEntry {
     opaque code<>;
 };
 
-struct ExpirationEntry {
-    // Hash of the LedgerKey that is associated with this ExpirationEntry
+struct TTLEntry {
+    // Hash of the LedgerKey that is associated with this TTLEntry
     Hash keyHash;
-    uint32 expirationLedgerSeq;
+    uint32 liveUntilLedgerSeq;
 };
 
 struct LedgerEntryExtensionV1
@@ -557,8 +557,8 @@ struct LedgerEntry
         ContractCodeEntry contractCode;
     case CONFIG_SETTING:
         ConfigSettingEntry configSetting;
-    case EXPIRATION:
-        ExpirationEntry expiration;
+    case TTL:
+        TTLEntry ttl;
     }
     data;
 
@@ -630,12 +630,12 @@ case CONFIG_SETTING:
     {
         ConfigSettingID configSettingID;
     } configSetting;
-case EXPIRATION:
+case TTL:
     struct
     {
-        // Hash of the LedgerKey that is associated with this ExpirationEntry
+        // Hash of the LedgerKey that is associated with this TTLEntry
         Hash keyHash;
-    } expiration;
+    } ttl;
 };
 
 // list of all envelope types used in the application
diff --git a/Stellar-ledger.x b/Stellar-ledger.x
index b218ae3..b18a3a0 100644
--- a/Stellar-ledger.x
+++ b/Stellar-ledger.x
@@ -509,10 +509,10 @@ struct LedgerCloseMetaV1
     // systems calculating storage fees correctly.
     uint64 totalByteSizeOfBucketList;
 
-    // Expired temp keys that are being evicted at this ledger.
+    // Temp keys that are being evicted at this ledger.
     LedgerKey evictedTemporaryLedgerKeys<>;
 
-    // Expired restorable ledger entries that are being
+    // Archived restorable ledger entries that are being
     // evicted at this ledger.
     LedgerEntry evictedPersistentLedgerEntries<>;
 };
diff --git a/Stellar-transaction.x b/Stellar-transaction.x
index 67d1206..19da55e 100644
--- a/Stellar-transaction.x
+++ b/Stellar-transaction.x
@@ -63,7 +63,7 @@ enum OperationType
     LIQUIDITY_POOL_DEPOSIT = 22,
     LIQUIDITY_POOL_WITHDRAW = 23,
     INVOKE_HOST_FUNCTION = 24,
-    BUMP_FOOTPRINT_EXPIRATION = 25,
+    EXTEND_FOOTPRINT_TTL = 25,
     RESTORE_FOOTPRINT = 26
 };
 
@@ -585,19 +585,19 @@ struct InvokeHostFunctionOp
     SorobanAuthorizationEntry auth<>;
 };
 
-/* Bump the expiration ledger of the entries specified in the readOnly footprint
-   so they'll expire at least ledgersToExpire ledgers from lcl.
+/* Extend the TTL of the entries specified in the readOnly footprint
+   so they will live at least extendTo ledgers from lcl.
 
     Threshold: med
-    Result: BumpFootprintExpirationResult
+    Result: ExtendFootprintTTLResult
 */
-struct BumpFootprintExpirationOp
+struct ExtendFootprintTTLOp
 {
     ExtensionPoint ext;
-    uint32 ledgersToExpire;
+    uint32 extendTo;
 };
 
-/* Restore the expired or evicted entries specified in the readWrite footprint.
+/* Restore the archived entries specified in the readWrite footprint.
 
     Threshold: med
     Result: RestoreFootprintOp
@@ -667,8 +667,8 @@ struct Operation
         LiquidityPoolWithdrawOp liquidityPoolWithdrawOp;
     case INVOKE_HOST_FUNCTION:
         InvokeHostFunctionOp invokeHostFunctionOp;
-    case BUMP_FOOTPRINT_EXPIRATION:
-        BumpFootprintExpirationOp bumpFootprintExpirationOp;
+    case EXTEND_FOOTPRINT_TTL:
+        ExtendFootprintTTLOp extendFootprintTTLOp;
     case RESTORE_FOOTPRINT:
         RestoreFootprintOp restoreFootprintOp;
     }
@@ -1797,7 +1797,7 @@ enum InvokeHostFunctionResultCode
     INVOKE_HOST_FUNCTION_MALFORMED = -1,
     INVOKE_HOST_FUNCTION_TRAPPED = -2,
     INVOKE_HOST_FUNCTION_RESOURCE_LIMIT_EXCEEDED = -3,
-    INVOKE_HOST_FUNCTION_ENTRY_EXPIRED = -4,
+    INVOKE_HOST_FUNCTION_ENTRY_ARCHIVED = -4,
     INVOKE_HOST_FUNCTION_INSUFFICIENT_REFUNDABLE_FEE = -5
 };
 
@@ -1808,29 +1808,29 @@ case INVOKE_HOST_FUNCTION_SUCCESS:
 case INVOKE_HOST_FUNCTION_MALFORMED:
 case INVOKE_HOST_FUNCTION_TRAPPED:
 case INVOKE_HOST_FUNCTION_RESOURCE_LIMIT_EXCEEDED:
-case INVOKE_HOST_FUNCTION_ENTRY_EXPIRED:
+case INVOKE_HOST_FUNCTION_ENTRY_ARCHIVED:
 case INVOKE_HOST_FUNCTION_INSUFFICIENT_REFUNDABLE_FEE:
     void;
 };
 
-enum BumpFootprintExpirationResultCode
+enum ExtendFootprintTTLResultCode
 {
     // codes considered as "success" for the operation
-    BUMP_FOOTPRINT_EXPIRATION_SUCCESS = 0,
+    EXTEND_FOOTPRINT_TTL_SUCCESS = 0,
 
     // codes considered as "failure" for the operation
-    BUMP_FOOTPRINT_EXPIRATION_MALFORMED = -1,
-    BUMP_FOOTPRINT_EXPIRATION_RESOURCE_LIMIT_EXCEEDED = -2,
-    BUMP_FOOTPRINT_EXPIRATION_INSUFFICIENT_REFUNDABLE_FEE = -3
+    EXTEND_FOOTPRINT_TTL_MALFORMED = -1,
+    EXTEND_FOOTPRINT_TTL_RESOURCE_LIMIT_EXCEEDED = -2,
+    EXTEND_FOOTPRINT_TTL_INSUFFICIENT_REFUNDABLE_FEE = -3
 };
 
-union BumpFootprintExpirationResult switch (BumpFootprintExpirationResultCode code)
+union ExtendFootprintTTLResult switch (ExtendFootprintTTLResultCode code)
 {
-case BUMP_FOOTPRINT_EXPIRATION_SUCCESS:
+case EXTEND_FOOTPRINT_TTL_SUCCESS:
     void;
-case BUMP_FOOTPRINT_EXPIRATION_MALFORMED:
-case BUMP_FOOTPRINT_EXPIRATION_RESOURCE_LIMIT_EXCEEDED:
-case BUMP_FOOTPRINT_EXPIRATION_INSUFFICIENT_REFUNDABLE_FEE:
+case EXTEND_FOOTPRINT_TTL_MALFORMED:
+case EXTEND_FOOTPRINT_TTL_RESOURCE_LIMIT_EXCEEDED:
+case EXTEND_FOOTPRINT_TTL_INSUFFICIENT_REFUNDABLE_FEE:
     void;
 };
 
@@ -1923,8 +1923,8 @@ case opINNER:
         LiquidityPoolWithdrawResult liquidityPoolWithdrawResult;
     case INVOKE_HOST_FUNCTION:
         InvokeHostFunctionResult invokeHostFunctionResult;
-    case BUMP_FOOTPRINT_EXPIRATION:
-        BumpFootprintExpirationResult bumpFootprintExpirationResult;
+    case EXTEND_FOOTPRINT_TTL:
+        ExtendFootprintTTLResult ExtendFootprintTTLResult;
     case RESTORE_FOOTPRINT:
         RestoreFootprintResult restoreFootprintResult;
     }