From e80c6b3c24eca373be3962c560e67be09fe6fe38 Mon Sep 17 00:00:00 2001
From: Xin Pan <panxin.grad@gmail.com>
Date: Thu, 7 Jun 2018 22:02:26 +0800
Subject: [PATCH] Refine API doc string

---
 paddle/fluid/operators/activation_op.cc | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/paddle/fluid/operators/activation_op.cc b/paddle/fluid/operators/activation_op.cc
index dd71c66a75a..23327b77f8f 100644
--- a/paddle/fluid/operators/activation_op.cc
+++ b/paddle/fluid/operators/activation_op.cc
@@ -24,12 +24,12 @@ namespace operators {
       : public ::paddle::framework::OpProtoAndCheckerMaker {            \
    public:                                                              \
     void Make() override {                                              \
-      AddInput("X", "Input of " #OP_NAME "operator");                   \
-      AddOutput("Out", "Output of" #OP_NAME "operator");                \
+      AddInput("X", "Input of " #OP_NAME " operator");                  \
+      AddOutput("Out", "Output of " #OP_NAME " operator");              \
       AddAttr<bool>("use_mkldnn",                                       \
                     "(bool, default false) Only used in mkldnn kernel") \
           .SetDefault(false);                                           \
-      AddComment(#OP_COMMENT);                                          \
+      AddComment(OP_COMMENT);                                           \
     }                                                                   \
   }
 
-- 
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