diff --git a/data/refdata/exchange_instruments.cfg b/data/refdata/exchange_instruments.cfg
index 08578b6..5b29cd0 100644
--- a/data/refdata/exchange_instruments.cfg
+++ b/data/refdata/exchange_instruments.cfg
@@ -292,29 +292,29 @@
         , "PERP-ADA-USDC": {
         }
         , "PERP-AVAX-USDC": {
-                }
+        }
         , "PERP-BCH-USDC": {
-                }
+        }
         , "PERP-BNB-USDC": {
-                }
+        }
         , "PERP-BTC-USDC": {
-                }
+        }
         , "PERP-DOGE-USDC": {
-                }
+        }
         , "PERP-DOT-USDC": {
-                }
+        }
         , "PERP-ETH-USDC": {
-                }
+        }
         , "PERP-HBAR-USDC": {
-                }
+        }
         , "PERP-LINK-USDC": {
-                }
+        }
         , "PERP-LTC-USDC": {
-                }
+        }
         , "PERP-SHIB-USDC": {
-                }
+        }
         , "PERP-SOL-USDC": {
-                }
+        }
         , "PERP-SUI-USDC": {
         }
         , "PERP-XLM-USDC": {