diff --git a/mindspore/dataset/vision/py_transforms.py b/mindspore/dataset/vision/py_transforms.py
index 5b9767e166b..094f25e1cc5 100644
--- a/mindspore/dataset/vision/py_transforms.py
+++ b/mindspore/dataset/vision/py_transforms.py
@@ -1055,7 +1055,7 @@ class Cutout:
 
 
 class LinearTransformation:
-    """
+    r"""
     Apply linear transformation to the input NumPy image array, given a square transformation matrix and
     a mean vector.