diff --git a/models/ContractDeliverGood.json b/models/ContractDeliverGood.json
index 02e1377..c0a452f 100644
--- a/models/ContractDeliverGood.json
+++ b/models/ContractDeliverGood.json
@@ -2,7 +2,7 @@
   "description": "The details of a delivery contract. Includes the type of good, units needed, and the destination.",
   "type": "object",
   "properties": {
-    "tradeSymbol": {
+    "symbol": {
       "type": "string",
       "description": "The symbol of the trade good to deliver.",
       "minLength": 1
@@ -22,7 +22,7 @@
     }
   },
   "required": [
-    "tradeSymbol",
+    "symbol",
     "destinationSymbol",
     "unitsRequired",
     "unitsFulfilled"
diff --git a/reference/SpaceTraders.json b/reference/SpaceTraders.json
index eb54db0..74afd65 100644
--- a/reference/SpaceTraders.json
+++ b/reference/SpaceTraders.json
@@ -733,12 +733,12 @@
             "application/json": {
               "schema": {
                 "properties": {
-                  "tradeSymbol": {
+                  "symbol": {
                     "type": "string"
                   }
                 },
                 "required": [
-                  "tradeSymbol"
+                  "symbol"
                 ],
                 "type": "object"
               }
@@ -912,7 +912,7 @@
             "application/json": {
               "schema": {
                 "properties": {
-                  "tradeSymbol": {
+                  "symbol": {
                     "type": "string"
                   },
                   "units": {
@@ -921,7 +921,7 @@
                   }
                 },
                 "required": [
-                  "tradeSymbol",
+                  "symbol",
                   "units"
                 ],
                 "type": "object"
@@ -1194,7 +1194,7 @@
             "application/json": {
               "schema": {
                 "properties": {
-                  "tradeSymbol": {
+                  "symbol": {
                     "type": "string"
                   },
                   "units": {
@@ -1202,7 +1202,7 @@
                   }
                 },
                 "required": [
-                  "tradeSymbol",
+                  "symbol",
                   "units"
                 ],
                 "type": "object"
@@ -1449,7 +1449,7 @@
             "application/json": {
               "schema": {
                 "properties": {
-                  "tradeSymbol": {
+                  "symbol": {
                     "type": "string"
                   },
                   "units": {
@@ -1457,7 +1457,7 @@
                   }
                 },
                 "required": [
-                  "tradeSymbol",
+                  "symbol",
                   "units"
                 ],
                 "type": "object"