diff --git a/l1-contracts/src/core/interfaces/messagebridge/IInbox.sol b/l1-contracts/src/core/interfaces/messagebridge/IInbox.sol
index f75c65b01d8..2139bd78483 100644
--- a/l1-contracts/src/core/interfaces/messagebridge/IInbox.sol
+++ b/l1-contracts/src/core/interfaces/messagebridge/IInbox.sol
@@ -12,11 +12,11 @@ import {DataStructures} from "../../libraries/DataStructures.sol";
 interface IInbox {
   /**
    * @notice Emitted when a message is sent
-   * @param blockNumber - The block number in which the message is included
+   * @param l2BlockNumber - The L2 block number in which the message is included
    * @param index - The index of the message in the block
    * @param hash - The hash of the message
    */
-  event MessageSent(uint256 indexed blockNumber, uint256 index, bytes32 hash);
+  event MessageSent(uint256 indexed l2BlockNumber, uint256 index, bytes32 hash);
 
   // docs:start:send_l1_to_l2_message
   /**
diff --git a/yarn-project/archiver/src/archiver/archiver.test.ts b/yarn-project/archiver/src/archiver/archiver.test.ts
index c3621f19627..48471c74aa3 100644
--- a/yarn-project/archiver/src/archiver/archiver.test.ts
+++ b/yarn-project/archiver/src/archiver/archiver.test.ts
@@ -198,14 +198,14 @@ function makeTxsPublishedEvent(l1BlockNum: bigint, txsEffectsHash: Buffer) {
 /**
  * Makes fake L1ToL2 MessageSent events for testing purposes.
  * @param l1BlockNum - L1 block number.
- * @param l2BlockNumber - The L2 block number of the leaf inserted.
+ * @param l2BlockNumber - The L2 block number of in which the message was included.
  * @returns MessageSent event logs.
  */
 function makeMessageSentEvent(l1BlockNum: bigint, l2BlockNumber: bigint, index: bigint) {
   return {
     blockNumber: l1BlockNum,
     args: {
-      blockNumber: l2BlockNumber,
+      l2BlockNumber,
       index,
       hash: Fr.random().toString(),
     },
diff --git a/yarn-project/archiver/src/archiver/eth_log_handlers.ts b/yarn-project/archiver/src/archiver/eth_log_handlers.ts
index 8e9d47a3929..4c04f3f4410 100644
--- a/yarn-project/archiver/src/archiver/eth_log_handlers.ts
+++ b/yarn-project/archiver/src/archiver/eth_log_handlers.ts
@@ -17,8 +17,8 @@ export function processMessageSentLogs(
 ): InboxLeaf[] {
   const leaves: InboxLeaf[] = [];
   for (const log of logs) {
-    const { blockNumber, index, hash } = log.args;
-    leaves.push(new InboxLeaf(blockNumber, index, Fr.fromString(hash)));
+    const { l2BlockNumber, index, hash } = log.args;
+    leaves.push(new InboxLeaf(l2BlockNumber, index, Fr.fromString(hash)));
   }
   return leaves;
 }