fix typo

Author: stash86

ft_client/freqtrade_client/ft_rest_client.py

@@ -443,7 +443,7 @@ def available_pairs(self, timeframe=None, stake_currency=None):
         """Return available pair (backtest data) based on timeframe / stake_currency selection
 
         :param timeframe: Only pairs with this timeframe available.
-        :param stake_currency: Only pairs that include this timeframe
+        :param stake_currency: Only pairs that include this stake currency.
         :return: json object
         """
         return self._get(