Fix some minor typos

freqtrade/freqai/freqai_interface.py

@@ -804,7 +804,7 @@ class IFreqaiModel(ABC):
                                  train_it: int, total_trains: int):
         """
         Log the backtesting progress so user knows how many pairs have been trained and
-        hoe many more pairs/trains remain.
+        how many more pairs/trains remain.
         :param tr_train: the training timerange
         :param train_it: the train iteration for the current pair (the sliding window progress)
         :param pair: the current pair

freqtrade/freqai/utils.py

@@ -220,7 +220,7 @@ def record_params(config: Dict[str, Any], full_path: Path) -> None:
         )
 
 
-def get_timerange_backtest_live_models(config: Config):
+def get_timerange_backtest_live_models(config: Config) -> str:
     """
     Returns a formated timerange for backtest live/ready models
     :param config: Configuration dictionary