diff --git a/data/refdata/exchanges.cfg b/data/refdata/exchanges.cfg
index d3056f3..0074335 100644
--- a/data/refdata/exchanges.cfg
+++ b/data/refdata/exchanges.cfg
@@ -398,7 +398,7 @@
         , "type":               "FUTURES"
         , "quote_asset":        "USDC"
 
-        , "dynamic_instruments": {
+        , "dynamic_instruments": { # 
             # dynamically created instruments (perpetual/expiring futures)
             "class": "cvttpy_trading.exchanges.coinbase.futures.market.CoinbaseFutInstrumentLoader"
             "credentials_key": "COINBASE_ADV_RO"