diff --git a/mindinsight/profiler/__init__.py b/mindinsight/profiler/__init__.py
index e7b3674b19fcfe7508392f5accbfa452e3a37007..b7ec01653ad4a5f54dcc674a94bc63ec97ba487e 100644
--- a/mindinsight/profiler/__init__.py
+++ b/mindinsight/profiler/__init__.py
@@ -13,7 +13,7 @@
 # limitations under the License.
 # ============================================================================
 """
-Profiler Module Introduction
+Profiler Module Introduction.
 
 This module provides Python APIs to enable the profiling of MindSpore neural networks.
 Users can import the mindinsight.profiler.Profiler, initialize the Profiler object to start profiling,
diff --git a/mindinsight/profiler/profiling.py b/mindinsight/profiler/profiling.py
index 5bf1b10fa7c5e4db14db3af7b5e116654c013dbe..a0fc18f5a394a47b4c2ed953c81313f9be010a10 100644
--- a/mindinsight/profiler/profiling.py
+++ b/mindinsight/profiler/profiling.py
@@ -37,16 +37,16 @@ class Profiler:
     """
     Performance profiling API.
 
-    Enable MindSpore users to profile the neural network.
+    Enable MindSpore users to profile the performance of neural network.
 
     Args:
-         subgraph (str): Defines which subgraph to monitor and analyse, can be 'all', 'Default', 'Gradients'.
+         subgraph (str): Define which subgraph to monitor and analyse, can be 'all', 'Default', 'Gradients'.
          is_detail (bool): Whether to show profiling data for op_instance level, only show optype level if False.
          is_show_op_path (bool): Whether to save the full path for each op instance.
          output_path (str): Output data path.
-         optypes_to_deal (list): Op type names, the data of which optype should be collected and analysed,
-                                will deal with all op if null.
-         optypes_not_deal (list): Op type names, the data of which optype will not be collected and analysed.
+         optypes_to_deal (list[str]): Op type names, the data of which optype should be collected and analysed,
+             will deal with all op if null.
+         optypes_not_deal (list[str]): Op type names, the data of which optype will not be collected and analysed.
 
     Examples:
         >>> from mindinsight.profiler import Profiler