diff --git a/zenith-openrpc.json b/zenith-openrpc.json
index bd2afbb..7adc277 100644
--- a/zenith-openrpc.json
+++ b/zenith-openrpc.json
@@ -192,7 +192,8 @@
       "description": "Create a new account in the given wallet.",
       "tags": [{"$ref": "#/components/tags/draft"}, {"$ref": "#/components/tags/wip"}],
       "params": [
-        { "$ref": "#/components/contentDescriptors/Name"} 
+        { "$ref": "#/components/contentDescriptors/Name"},
+        { "$ref": "#/components/contentDescriptors/WalletId"} 
       ],
       "paramStructure": "by-position",
       "result": {
@@ -599,6 +600,10 @@
       "DuplicateName": {
         "code": -32007,
         "message": "Entity with that name already exists."
+      },
+      "InvalidWallet": {
+        "code": -32008,
+        "message": "Wallet does not exist."
       }
     }
   }