diff --git a/python-package/xgboost/sklearn.py b/python-package/xgboost/sklearn.py
index 96d358128..34e4d3fbd 100644
--- a/python-package/xgboost/sklearn.py
+++ b/python-package/xgboost/sklearn.py
@@ -879,7 +879,7 @@ class XGBClassifier(XGBModel, XGBClassifierBase):
         Parameters
         ----------
         data : array_like
-            The dmatrix storing the input.
+            Feature matrix.
         output_margin : bool
             Whether to output the raw untransformed margin value.
         ntree_limit : int
@@ -933,8 +933,8 @@ class XGBClassifier(XGBModel, XGBClassifierBase):
 
         Parameters
         ----------
-        data : DMatrix
-            The dmatrix storing the input.
+        data : array_like
+            Feature matrix.
         ntree_limit : int
             Limit number of trees in the prediction; defaults to best_ntree_limit if defined
             (i.e. it has been trained with early stopping), otherwise 0 (use all trees).