From a7ef724dd59f752af02cb8ac66f620df9fc5e6e6 Mon Sep 17 00:00:00 2001
From: GaoWei8 <53294385+GaoWei8@users.noreply.github.com>
Date: Fri, 27 Nov 2020 12:31:27 +0800
Subject: [PATCH] polish softamx doc (#29153)

---
 python/paddle/fluid/layers/nn.py | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/python/paddle/fluid/layers/nn.py b/python/paddle/fluid/layers/nn.py
index c07ea09064c..804e4e6d466 100755
--- a/python/paddle/fluid/layers/nn.py
+++ b/python/paddle/fluid/layers/nn.py
@@ -1283,8 +1283,7 @@ def softmax(input, use_cudnn=True, name=None, axis=-1):
     Args:
         input (Tensor): The input tensor. A multi-dimension ``Tensor`` with type float32 or float64.
         use_cudnn (bool, optional): Use cudnn kernel or not, it is valid only when the cudnn \
-            library is installed. To improve numerical stability, set use_cudnn to \
-            False by default.
+            library is installed. To improve performance, set use_cudnn to True by default.
         name (str, optional): The default value is None. Normally there is no need for user to set this property. For more information, please refer to :ref:`api_guide_Name` . Default: None.
             will be named automatically. Default: None.
         axis (int, optional): The index of dimension to perform softmax calculations, it should
-- 
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