From 93be110ed813d308235dcdf2c4fa2f2016854200 Mon Sep 17 00:00:00 2001
From: Yang Zhang <yangzhang@live.com>
Date: Mon, 3 Aug 2020 11:54:18 +0800
Subject: [PATCH] Fix `paddle.atan` docstring

test=develop,test=document_fix

remove activation wording
tanh -> tan
---
 paddle/fluid/operators/activation_op.cc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/paddle/fluid/operators/activation_op.cc b/paddle/fluid/operators/activation_op.cc
index 1ecb9dd26da3b..656f24abaa45f 100644
--- a/paddle/fluid/operators/activation_op.cc
+++ b/paddle/fluid/operators/activation_op.cc
@@ -359,9 +359,9 @@ class AtanOpMaker : public framework::OpProtoAndCheckerMaker {
     AddInput("X", "Input of atan operator");
     AddOutput("Out", "Output of atan operator");
     AddComment(R"DOC(
-Arctanh Activation Operator.
+Arctangent Operator.
 
-$$out = \tanh^{-1}(x)$$
+$$out = \tan^{-1}(x)$$
 
 )DOC");
   }