diff --git a/freqtrade/freqtradebot.py b/freqtrade/freqtradebot.py
index 72b5190b9..e0839bb1c 100644
--- a/freqtrade/freqtradebot.py
+++ b/freqtrade/freqtradebot.py
@@ -248,6 +248,11 @@ class FreqtradeBot(object):
         return ticker['ask'] + balance * (ticker['last'] - ticker['ask'])
 
     def _get_trade_stake_amount(self) -> Optional[float]:
+        """
+        Check if stake amount can be fulfilled with the available balance
+        for the stake currency
+        :return: float: Stake Amount
+        """
         stake_amount = self.config['stake_amount']
         avaliable_amount = self.exchange.get_balance(self.config['stake_currency'])