fix typos

Author: gmartinonQM

mapie/estimators.py

@@ -571,7 +571,7 @@ def predict(self, X: ArrayLike) -> np.ndarray:
         # (n_samples_train,) : self.residuals_
         # (n_alpha,) : alpha
         # (n_samples_test, n_alpha) : y_pred_low, y_pred_up
-        # (n_samples_test, n_samples_train) :y_pred_multi, lower/upper_bounds
+        # (n_samples_test, n_samples_train) : y_pred_multi, lower/upper_bounds
         n_alpha = len(alpha)
         y_pred = self.single_estimator_.predict(X)
         # At this point, y_pred is of shape (n_samples_test,)

mapie/tests/test_estimators.py

@@ -404,7 +404,7 @@ def test_prediction_ensemble(
     cv: Union[LeaveOneOut, KFold]
 ) -> None:
     """
-    Test that predictions differs when ensemble is True/False,
+    Test that predictions differ when ensemble is True/False,
     but not prediction intervals.
     """
     mapie = MapieRegressor(method=method, cv=cv, ensemble=True)