diff --git a/solidity/core/contracts/Inbox.sol b/solidity/core/contracts/Inbox.sol
index 54e03e1d4..ec2460b41 100644
--- a/solidity/core/contracts/Inbox.sol
+++ b/solidity/core/contracts/Inbox.sol
@@ -82,7 +82,7 @@ contract Inbox is IInbox, Version0, Common {
 
     /**
      * @notice Checkpoints the provided root and index.
-     * @dev Called by the ValidatorManager, which is responsible for verifying a
+     * @dev Called by the validator manager, which is responsible for verifying a
      * quorum of validator signatures on the checkpoint.
      * @dev Reverts if checkpoints's index is not greater than our latest index.
      * @param _root Checkpoint's merkle root.
diff --git a/solidity/core/contracts/Outbox.sol b/solidity/core/contracts/Outbox.sol
index 62a102565..b872ef012 100644
--- a/solidity/core/contracts/Outbox.sol
+++ b/solidity/core/contracts/Outbox.sol
@@ -159,7 +159,7 @@ contract Outbox is IOutbox, Version0, MerkleTreeManager, Common {
 
     /**
      * @notice Set contract state to FAILED.
-     * @dev Called by the ValidatorManager when fraud is proven.
+     * @dev Called by the validator manager when fraud is proven.
      */
     function fail() external override onlyValidatorManager {
         // set contract to FAILED