diff --git a/mindarmour/diff_privacy/evaluation/membership_inference.py b/mindarmour/diff_privacy/evaluation/membership_inference.py
index 5e7f152b848961f1c093afaad6449ec99d909836..c27882d9858776516402bed6d2feed6b0cc52eb0 100755
--- a/mindarmour/diff_privacy/evaluation/membership_inference.py
+++ b/mindarmour/diff_privacy/evaluation/membership_inference.py
@@ -132,7 +132,7 @@ class MembershipInference:
             dataset_test (mindspore.dataset): The test set for the target model.
             attack_config (list): Parameter setting for the attack model. The format is
                 [{"method": "knn", "params": {"n_neighbors": [3, 5, 7]}},
-                 {"method": "lr", "params": {"C": np.logspace(-4, 2, 10)}}].
+                {"method": "lr", "params": {"C": np.logspace(-4, 2, 10)}}].
                 The support methods list is in self.method_list, and the params of each method
                 must within the range of changeable parameters. Tips of params implement
                 can be found in