diff --git a/_data/chains/eip155-789 b/_data/chains/eip155-789.json
similarity index 95%
rename from _data/chains/eip155-789
rename to _data/chains/eip155-789.json
index 57535371..18ff443a 100644
--- a/_data/chains/eip155-789
+++ b/_data/chains/eip155-789.json
@@ -14,7 +14,7 @@
       "decimals": 18
     },
     "infoURL": "https://aerochain.id/",
-    "shortName": "ARC",
+    "shortName": "AERO",
     "chainId": 789,
     "networkId": 789,
     "explorers": [{