diff --git a/content/references/rippled-api/public-rippled-methods/subscription-methods/subscribe.md b/content/references/rippled-api/public-rippled-methods/subscription-methods/subscribe.md
index 2496fee6de..ea824030d2 100644
--- a/content/references/rippled-api/public-rippled-methods/subscription-methods/subscribe.md
+++ b/content/references/rippled-api/public-rippled-methods/subscription-methods/subscribe.md
@@ -208,7 +208,7 @@ The fields from a validations stream message are as follows:
 | `ledger_hash`           | String           | The identifying hash of the proposed ledger is being validated. |
 | `ledger_index`          | String - Integer | The [Ledger Index][] of the proposed ledger. [New in: rippled 0.31.0][] |
 | `load_fee`              | Integer          | (May be omitted) The local load-scaled transaction cost this validator is currently enforcing, in fee units. [New in: rippled 0.32.0][] |
-| `master_key`            | String           | _(May be omitted)_ The validator's master public key, if the validator is using a validator token, in the XRP Ledger's [base58][] format. (See also: [Enable Validation on your `rippled` Server](run-rippled-as-a-validator.html#3-enable-validation-on-your-rippled-server).) [New in: rippled 1.40.0][] |
+| `master_key`            | String           | _(May be omitted)_ The validator's master public key, if the validator is using a validator token, in the XRP Ledger's [base58][] format. (See also: [Enable Validation on your `rippled` Server](run-rippled-as-a-validator.html#3-enable-validation-on-your-rippled-server).) [New in: rippled 1.4.0][] |
 | `reserve_base`          | Integer          | (May be omitted) The minimum reserve requirement (`account_reserve` value) this validator wants to set by [Fee Voting](fee-voting.html). [New in: rippled 0.32.0][] |
 | `reserve_inc`           | Integer          | (May be omitted) The increment in the reserve requirement (`owner_reserve` value) this validator wants to set by [Fee Voting](fee-voting.html). [New in: rippled 0.32.0][] |
 | `signature`             | String           | The signature that the validator used to sign its vote for this ledger. |