diff --git a/internal/ethapi/api.go b/internal/ethapi/api.go
index 21c35b7665..8857f1c04f 100644
--- a/internal/ethapi/api.go
+++ b/internal/ethapi/api.go
@@ -1549,7 +1549,7 @@ func (api *TransactionAPI) SendRawTransaction(ctx context.Context, input hexutil
 //
 // The account associated with addr must be unlocked.
 //
-// https://github.com/ethereum/wiki/wiki/JSON-RPC#eth_sign
+// https://ethereum.org/en/developers/docs/apis/json-rpc/#eth_sign
 func (api *TransactionAPI) Sign(addr common.Address, data hexutil.Bytes) (hexutil.Bytes, error) {
 	// Look up the wallet containing the requested signer
 	account := accounts.Account{Address: addr}
diff --git a/internal/ethapi/errors.go b/internal/ethapi/errors.go
index ae38061234..154938fa0e 100644
--- a/internal/ethapi/errors.go
+++ b/internal/ethapi/errors.go
@@ -34,7 +34,7 @@ type revertError struct {
 }
 
 // ErrorCode returns the JSON error code for a revert.
-// See: https://github.com/ethereum/wiki/wiki/JSON-RPC-Error-Codes-Improvement-Proposal
+// See: https://ethereum.org/en/developers/docs/apis/json-rpc/#error-codes
 func (e *revertError) ErrorCode() int {
 	return 3
 }
@@ -71,7 +71,7 @@ func (e *TxIndexingError) Error() string {
 }
 
 // ErrorCode returns the JSON error code for a revert.
-// See: https://github.com/ethereum/wiki/wiki/JSON-RPC-Error-Codes-Improvement-Proposal
+// See: https://ethereum.org/en/developers/docs/apis/json-rpc/#error-codes
 func (e *TxIndexingError) ErrorCode() int {
 	return -32000 // to be decided
 }