From 59cbaf9fe75e054afee290a9037248c4657c66d6 Mon Sep 17 00:00:00 2001
From: wwhu <wwhu@foxmail.com>
Date: Fri, 3 Nov 2017 16:12:45 +0800
Subject: [PATCH] fix doc

---
 paddle/operators/clip_by_norm_op.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/paddle/operators/clip_by_norm_op.cc b/paddle/operators/clip_by_norm_op.cc
index b0ca53b525..ebb7bdda55 100644
--- a/paddle/operators/clip_by_norm_op.cc
+++ b/paddle/operators/clip_by_norm_op.cc
@@ -46,7 +46,7 @@ class ClipByNormOpMaker : public framework::OpProtoAndCheckerMaker {
              "The number of dimensions must be between [1, 9].");
     AddOutput("Out",
               "(Tensor) The output of clip_by_norm op with shape as input(X)");
-    AddAttr<AttrType>("max_norm", "(float)The maximum norm value.");
+    AddAttr<AttrType>("max_norm", "(float) The maximum norm value.");
     AddComment(R"DOC(
 ClipByNorm operator limits the L2 norm of the input 'X' within 'max_norm'. 
 If the L2 norm of 'X' is less than or equal to 'max_norm', 'Out' will be 
-- 
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