From c7587657694171295aca44a544cb3af7203a5a00 Mon Sep 17 00:00:00 2001
From: Yang Zhang <yangzhang@live.com>
Date: Fri, 14 Aug 2020 19:33:49 +0800
Subject: [PATCH] Fix `paddle.atan` docstring (#25968)

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 7dedb36d6e1..ed663e2be43 100644
--- a/paddle/fluid/operators/activation_op.cc
+++ b/paddle/fluid/operators/activation_op.cc
@@ -365,9 +365,9 @@ 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");
   }
-- 
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