diff --git a/data/refdata/instruments.cfg b/data/refdata/instruments.cfg
index f024aeb..32074b8 100644
--- a/data/refdata/instruments.cfg
+++ b/data/refdata/instruments.cfg
@@ -6,20 +6,20 @@
         "quote_asset": "USD",
         "quantity_precision": "0.001",
         "price_tick": 0.01
-    },
-    "PAIR-ADA-USD": {
+    }
+    , "PAIR-ADA-USD": {
         "base_asset": "ADA",
         "quote_asset": "USD",
         "quantity_precision": "0.00000001",
         "price_tick": 0.0001
-    },
-    "PAIR-ADA-USDT": {
+    }
+    , "PAIR-ADA-USDT": {
         "base_asset": "ADA",
         "quote_asset": "USDT",
         "quantity_precision": "0.00000001",
         "price_tick": 0.0001
-    },
-    "PAIR-ASD-USDT": {
+    }
+    , "PAIR-ASD-USDT": {
         "base_asset": "ASD",
         "quote_asset": "USDT",
         "quantity_precision": "0.0001",
@@ -225,27 +225,27 @@
         "quote_asset": "USD",
         "quantity_precision": "1",
         "price_tick": 0.0001
-    },
-    "PAIR-SUI-USDT": {
+    }
+    , "PAIR-SUI-USDT": {
         "base_asset": "SUI",
         "quote_asset": "USDT",
         "quantity_precision": "1",
         "price_tick": 0.0001
-    },
+    }
     # --- PAIR-U
-    "PAIR-UNI-USD": {
+    , "PAIR-UNI-USD": {
         "base_asset": "UNI",
         "quote_asset": "USD",
         "quantity_precision": "0.01",
         "price_tick": 0.01
-    },
-    "PAIR-USD-JPY": {
+    }
+    , "PAIR-USD-JPY": {
         "base_asset": "USD",
         "quote_asset": "JPY",
         "quantity_precision": "0.001",
         "price_tick": 0.001
-    },
-    "PAIR-USD-MXN": {
+    }
+    , "PAIR-USD-MXN": {
         "base_asset": "USD",
         "quote_asset": "MXN",
         "quantity_precision": "0.001",