From 0e4b60acdbf206efcda13907955e38f23c58d24c Mon Sep 17 00:00:00 2001
From: dongzhihong <dzhwinter@gmail.com>
Date: Thu, 7 Sep 2017 14:06:43 -0700
Subject: [PATCH] polish english and graph

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

diff --git a/paddle/framework/backward.md b/paddle/framework/backward.md
index c6ca05d310..c762811dfc 100644
--- a/paddle/framework/backward.md
+++ b/paddle/framework/backward.md
@@ -73,7 +73,7 @@ given a forward network, it generates the backward network. We only care about t
    <p align="center">
    <img src="images/duplicate_op2.png" width="50%" ><br/>
 
-   2. Replace shared variable's gradient with `Add` Operator
+   2. Replace shared variable's gradient with `Add` operator.
 
    </p>
 
-- 
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