diff --git a/bridge-history-api/crossmsg/messageproof/withdraw_trie.go b/bridge-history-api/crossmsg/messageproof/withdraw_trie.go
index 4dbd300ebb..a5e37ab4aa 100644
--- a/bridge-history-api/crossmsg/messageproof/withdraw_trie.go
+++ b/bridge-history-api/crossmsg/messageproof/withdraw_trie.go
@@ -6,7 +6,7 @@ import (
 	"bridge-history-api/utils"
 )
 
-// MaxHeight is the maixium possible height of withdraw trie
+// MaxHeight is the maximum possible height of withdraw trie
 const MaxHeight = 40
 
 // WithdrawTrie is an append only merkle trie
diff --git a/contracts/src/gas-swap/GasSwap.sol b/contracts/src/gas-swap/GasSwap.sol
index e962e2fa80..7b3800f417 100644
--- a/contracts/src/gas-swap/GasSwap.sol
+++ b/contracts/src/gas-swap/GasSwap.sol
@@ -124,7 +124,7 @@ contract GasSwap is ERC2771Context, Ownable, ReentrancyGuard {
         _outputTokenAmount = _outputTokenAmount - _fee;
         require(_outputTokenAmount >= _swap.minOutput, "insufficient output amount");
 
-        // tranfer ETH to sender
+        // transfer ETH to sender
         (_success, ) = _sender.call{value: _outputTokenAmount}("");
         require(_success, "transfer ETH failed");