chore: fix typo in dataprovider

Author: xmatthias

freqtrade/data/dataprovider.py

@@ -79,7 +79,7 @@ def _set_dataframe_max_index(self, limit_index: int):
 
     def _set_dataframe_max_date(self, limit_date: datetime):
         """
-        Limit infomrative dataframe to max specified index.
+        Limit informative dataframe to max specified index.
         Only relevant in backtesting.
         :param limit_date: "current date"
         """