diff --git a/_data/chains/eip155-66.json b/_data/chains/eip155-66.json
index 8a200d66..089530fd 100644
--- a/_data/chains/eip155-66.json
+++ b/_data/chains/eip155-66.json
@@ -1,5 +1,5 @@
 {
-  "name": "OKExChain Mainnet",
+  "name": "OKXChain Mainnet",
   "chain": "okexchain",
   "rpc": [
     "https://exchainrpc.okex.org"