diff --git a/tests/exchange_online/test_ccxt_ws_compat.py b/tests/exchange_online/test_ccxt_ws_compat.py
index 0d8f8c7a9..7add576d8 100644
--- a/tests/exchange_online/test_ccxt_ws_compat.py
+++ b/tests/exchange_online/test_ccxt_ws_compat.py
@@ -61,5 +61,6 @@ class TestCCXTExchangeWs:
             sleep(1)
 
         assert m_hist.call_count == 0
+        # shouldn't have tried fetch_ohlcv a second time.
         assert m_cand.call_count == 1
         assert log_has_re(r"watch result.*", caplog)