diff --git a/constants/additionalChainRegistry/chainid-1475.js b/constants/additionalChainRegistry/chainid-1475.js
index e4ae3c0945..096e7e1f07 100644
--- a/constants/additionalChainRegistry/chainid-1475.js
+++ b/constants/additionalChainRegistry/chainid-1475.js
@@ -1,5 +1,5 @@
 export const data = {
-  "name": "CRYMAD Chain Mainnet Network",
+  "name": "CRYMAD Chain",
   "chain": "CMX",
   "icon": "crymadchain",
   "rpc": [
@@ -7,20 +7,21 @@ export const data = {
   ],
   "faucets": [],
   "features": [
-    { "name": "EIP155" }
+    { "name": "EIP155" },
+    { "name": "EIP1559" }
   ],
   "nativeCurrency": {
-    "name": "CRYMADX REAL",
+    "name": "CryMadX",
     "symbol": "CMX-R",
     "decimals": 18
   },
   "infoURL": "https://cmxofficial.com/",
-  "shortName": "CMX-R",
+  "shortName": "cmxr",
   "chainId": 1475,
   "networkId": 1475,
   "explorers": [
     {
-      "name": "crymadchain explorers",
+      "name": "CRYMAD Chain Explorer",
       "url": "https://explorer.cmxofficial.com/"
     }
   ],
diff --git a/constants/additionalChainRegistry/chainid-7373.js b/constants/additionalChainRegistry/chainid-7373.js
index 21ee4b009e..f58a3248fd 100644
--- a/constants/additionalChainRegistry/chainid-7373.js
+++ b/constants/additionalChainRegistry/chainid-7373.js
@@ -7,16 +7,21 @@ export const data = {
   ],
   "faucets": [],
   "features": [
-    { "name": "EIP155" }
+    { "name": "EIP155" },
+    { "name": "EIP1559" }
   ],
   "nativeCurrency": {
-    "name": "CRYMADX UTILITY",
-    "symbol": "CMX-U",
+    "name": "CRYMADX REAL",
+    "symbol": "CMX-R",
     "decimals": 18
   },
   "infoURL": "https://cmxofficial.com/",
-  "shortName": "CMX-U",
+  "shortName": "cmxr-l2",
   "chainId": 7373,
   "networkId": 7373,
+  "parent": {
+    "type": "L2",
+    "chain": "eip155-1475"
+  },
   "status": "active"
 }