fix docstring

Author: GaetandeCast

skore/src/skore/_sklearn/_estimator/metrics_accessor.py

@@ -2095,8 +2095,7 @@ def confusion_matrix(
         pos_label : int, float, bool, str or None, default=_DEFAULT
             The label to consider as the positive class when computing the metric. Use
             this parameter to override the positive class. By default, the positive
-            class is set to the one provided when creating the report. If `None`,
-            the metric is computed considering each class as a positive class.
+            class is set to the one provided when creating the report.
 
         Returns
         -------

skore/src/skore/_sklearn/_plot/metrics/confusion_matrix.py

@@ -232,8 +232,8 @@ def _compute_data_for_display(
             Display labels for plot.
 
         pos_label : int, float, bool, str or None
-            The class considered as the positive class when computing the
-            precision and recall metrics.
+            The class considered as the positive class when displaying the confusion
+            matrix.
 
         threshold : bool, default=False
             Whether to compute the confusion matrix at different thresholds.