diff --git a/mindspore/ops/operations/nn_ops.py b/mindspore/ops/operations/nn_ops.py
index e56a8a826c5e7e1015bba64398db2aabd73245bf..377ef19417e3a69bbc62d5a1edfa0550d0c54d90 100644
--- a/mindspore/ops/operations/nn_ops.py
+++ b/mindspore/ops/operations/nn_ops.py
@@ -679,7 +679,7 @@ class DepthwiseConv2dNative(PrimitiveWithInfer):
     Inputs:
         - **input** (Tensor) - Tensor of shape :math:`(N, C_{in}, H_{in}, W_{in})`.
         - **weight** (Tensor) - Set size of kernel is :math:`(K_1, K_2)`, then the shape is
-          :math:`(channel_multiplier, C_{in}, K_1, K_2)`.
+          :math:`(channel_{multiplier}, C_{in}, K_1, K_2)`.
 
     Outputs:
         Tensor of shape :math:`(N, C_{in} * \text{channel_multiplier}, H_{out}, W_{out})`.