diff --git a/pkg/crypto/evm_address.go b/pkg/crypto/evm_address.go
index 359d458bf7..803bfca8fd 100644
--- a/pkg/crypto/evm_address.go
+++ b/pkg/crypto/evm_address.go
@@ -20,6 +20,7 @@ func IsEVMAddress(address string) bool {
 }
 
 // IsChecksumAddress returns true if the EVM address string is a valid checksum address
+// See https://eips.ethereum.org/EIPS/eip-55
 func IsChecksumAddress(address string) bool {
 	return address == common.HexToAddress(address).Hex()
 }