diff --git a/bridge-history-api/abi/backend_abi.go b/bridge-history-api/abi/backend_abi.go
index 940cd2df10..c4615862ff 100644
--- a/bridge-history-api/abi/backend_abi.go
+++ b/bridge-history-api/abi/backend_abi.go
@@ -45,7 +45,7 @@ var (
 	L2BatchWithdrawERC721Sig  common.Hash
 	L2BatchWithdrawERC1155Sig common.Hash
 
-	// scroll mono repo
+	// scroll monorepo
 
 	// ScrollChainABI holds information about ScrollChain's context and available invokable methods.
 	ScrollChainABI *abi.ABI
@@ -323,7 +323,7 @@ type L1RelayedMessageEvent struct {
 	MessageHash common.Hash
 }
 
-// L2AppendMessageEvent represents a AppendMessage event raised by the L2MessageQueue contract.
+// L2AppendMessageEvent represents an AppendMessage event raised by the L2MessageQueue contract.
 type L2AppendMessageEvent struct {
 	Index       *big.Int
 	MessageHash common.Hash