From c2a60bb1fa116610aa90a24f7b03388e9f9ccd62 Mon Sep 17 00:00:00 2001
From: guofei <52460041+gfwm2013@users.noreply.github.com>
Date: Wed, 15 Apr 2020 10:37:26 +0800
Subject: [PATCH] Correct the wrong name in the flag comment (#22977)

Correct the name [`FLAGS_sync_nccl_allreduce`](https://www.paddlepaddle.org.cn/documentation/docs/zh/advanced_guide/flags/others_cn.html#flags-sync-nccl-allreduce) based on the information from our official website.
---
 paddle/fluid/platform/flags.cc | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/paddle/fluid/platform/flags.cc b/paddle/fluid/platform/flags.cc
index 046fd16fb15..a5dd3401007 100644
--- a/paddle/fluid/platform/flags.cc
+++ b/paddle/fluid/platform/flags.cc
@@ -171,9 +171,9 @@ DEFINE_bool(cudnn_batchnorm_spatial_persistent, false,
 
 /**
  * NCCL related FLAG
- * Name: FLAGS_enable_cublas_tensor_op_math
- * Since Version:
- * Value Range:
+ * Name: FLAGS_sync_nccl_allreduce
+ * Since Version: 1.3
+ * Value Range: bool, default=true
  * Example:
  * Note: asynchronous nccl allreduce or synchronous issue:
  *       https://github.com/PaddlePaddle/Paddle/issues/15049
-- 
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