diff --git a/freqtrade/exchange/exchange.py b/freqtrade/exchange/exchange.py
index a07ea3596..ee804aa68 100644
--- a/freqtrade/exchange/exchange.py
+++ b/freqtrade/exchange/exchange.py
@@ -317,7 +317,7 @@ class Exchange:
         per timeframe (e.g. bittrex), otherwise falls back to ohlcv_candle_limit
         :param timeframe: Timeframe to check
         :param candle_type: Candle-type
-        :param since_ms: Candle-type
+        :param since_ms: Starting timestamp
         :return: Candle limit as integer
         """
         return int(self._ft_has.get('ohlcv_candle_limit_per_timeframe', {}).get(
diff --git a/freqtrade/exchange/okx.py b/freqtrade/exchange/okx.py
index c0431c7fc..012f51080 100644
--- a/freqtrade/exchange/okx.py
+++ b/freqtrade/exchange/okx.py
@@ -49,7 +49,7 @@ class Okx(Exchange):
         * 100 candles for additional candles (not futures or spot).
         :param timeframe: Timeframe to check
         :param candle_type: Candle-type
-        :param since_ms: Candle-type
+        :param since_ms: Starting timestamp
         :return: Candle limit as integer
         """
         if (