Update doubleml/double_ml.py

Co-authored-by: PhilippBach <[email protected]>

Author: SvenKlaassen

doubleml/double_ml.py

@@ -1050,7 +1050,7 @@ def _store_models(self, models):
 
     def evaluate_learners(self, learners=None, metric=mean_squared_error):
         """
-       Evaluate fitted learners for DoubleML models on crossvalidated predicitons.
+       Evaluate fitted learners for DoubleML models on cross-validated predictions.
 
         Parameters
         ----------