diff --git a/_data/chains/eip155-52.json b/_data/chains/eip155-52.json
index 047aaf35..7a718629 100644
--- a/_data/chains/eip155-52.json
+++ b/_data/chains/eip155-52.json
@@ -14,7 +14,7 @@
   "infoURL": "https://www.coinex.org/",
   "shortName": "cet",
   "chainId": 52,
-  "networkId": 52
+  "networkId": 52,
   "explorers": [{
     "name": "coinexscan",
     "url": "https://www.coinex.net/",