From 219f7a46404652a8edeb58e02fd52119d6af9d81 Mon Sep 17 00:00:00 2001
From: qiaolongfei <qiaolongfei@baidu.com>
Date: Tue, 15 Aug 2017 07:37:09 +0800
Subject: [PATCH] typo

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

diff --git a/paddle/framework/backward.cc b/paddle/framework/backward.cc
index ab91e422eea..83b7e4cdac9 100644
--- a/paddle/framework/backward.cc
+++ b/paddle/framework/backward.cc
@@ -70,7 +70,7 @@ std::shared_ptr<OperatorBase> BackwardRecursive(
     std::unordered_set<std::string>& no_grad_names, size_t& uniq_id) {
   //  If all input gradients of forwarding operator do not need to calculate,
   //  just return an NOP. Not return null ptr because NOP does not take
-  // too  much time for calculation, but it is useful for simplifying logic.
+  //  too much time for calculation, but it is useful for simplifying logic.
   if (AllInSet(forwardOp.Inputs() /*names*/, kGradVarSuffix /*suffix*/,
                no_grad_names /*set*/)) {
     return NOP();
-- 
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