diff --git a/freqtrade/freqai/freqai_interface.py b/freqtrade/freqai/freqai_interface.py
index 7f2fd677c..55f5a03a0 100644
--- a/freqtrade/freqai/freqai_interface.py
+++ b/freqtrade/freqai/freqai_interface.py
@@ -511,7 +511,7 @@ class IFreqaiModel(ABC):
         """
 
     @abstractmethod
-    def fit(self) -> Any:
+    def fit(self, data_dictionary: Dict[str, Any]) -> Any:
         """
         Most regressors use the same function names and arguments e.g. user
         can drop in LGBMRegressor in place of CatBoostRegressor and all data
diff --git a/freqtrade/resolvers/freqaimodel_resolver.py b/freqtrade/resolvers/freqaimodel_resolver.py
index 0fcfca363..5a847bb2b 100644
--- a/freqtrade/resolvers/freqaimodel_resolver.py
+++ b/freqtrade/resolvers/freqaimodel_resolver.py
@@ -44,7 +44,7 @@ class FreqaiModelResolver(IResolver):
             )
         if freqaimodel_name in disallowed_models:
             raise OperationalException(
-                f"{freqaimodel_name} is a baseclass and cannot be used directly. User must choose "
+                f"{freqaimodel_name} is a baseclass and cannot be used directly. Please choose "
                 "an existing child class or inherit from this baseclass.\n"
             )
         freqaimodel = FreqaiModelResolver.load_object(
diff --git a/freqtrade/strategy/interface.py b/freqtrade/strategy/interface.py
index ed458786b..df73981bd 100644
--- a/freqtrade/strategy/interface.py
+++ b/freqtrade/strategy/interface.py
@@ -555,7 +555,8 @@ class IStrategy(ABC, HyperStrategyMixin):
         Function designed to automatically generate, name and merge features
         from user indicated timeframes in the configuration file. User can add
         additional features here, but must follow the naming convention.
-        Defined in IStrategy because Freqai needs to know it exists.
+        This method is *only* used in FreqaiDataKitchen class and therefore
+        it is only called if FreqAI is active.
         :params:
         :pair: pair to be used as informative
         :df: strategy dataframe which will receive merges from informatives