diff --git a/data/refdata/exchanges.cfg b/data/refdata/exchanges.cfg
index 563f741..349b6ba 100644
--- a/data/refdata/exchanges.cfg
+++ b/data/refdata/exchanges.cfg
@@ -400,8 +400,8 @@
 
         , "dynamic_instruments": {
             # dynamically created instruments (perpetual/expiring futures)
-            "credentials_key": "COINBASE_ADV_RO"
             "class": "cvttpy_trading.exchanges.coinbase.futures.market.InstrumentLoader"
+            "credentials_key": "COINBASE_ADV_RO"
             , "api": {
                 "REST": {
                     "products": {