!508 [Host+device] Update the turorials for some typos

Merge pull request !508 from Xiaoda/master

tutorials/source_en/advanced_use/host_device_training.md

@@ -69,7 +69,7 @@ Use the script `script/run_auto_parallel_train.sh`. Run the command `bash run_au
 where the first `1` is the number of accelerators, the second `1` is the number of epochs, `DATASET` is the path of dataset,
 and `RANK_TABLE_FILE` is the path of the above `rank_table_1p_0.json` file.
 
-The running log is in the directory of `device_0`, where `loss.log` contains every loss value of every step in the epoch:
+The running log is in the directory of `device_0`, where `loss.log` contains every loss value of every step in the epoch. Here is an example:
 
 ```
 epoch: 1 step: 1, wide_loss is 0.6873926, deep_loss is 0.8878349

tutorials/source_zh_cn/advanced_use/host_device_training.md

@@ -65,7 +65,7 @@
 使用训练脚本`script/run_auto_parallel_train.sh`。执行命令：`bash run_auto_parallel_train.sh 1 1 DATASET RANK_TABLE_FILE`，
 其中第一个`1`表示用例使用的卡数，第二`1`表示训练的epoch数，`DATASET`是数据集所在路径，`RANK_TABLE_FILE`为上述`rank_table_1p_0.json`文件所在路径。
 
-运行日志保存在`device_0`目录下，其中`loss.log`保存一个epoch内中多个loss值，如下：
+运行日志保存在`device_0`目录下，其中`loss.log`保存一个epoch内中多个loss值，其值类似如下：
 
 ```
 epoch: 1 step: 1, wide_loss is 0.6873926, deep_loss is 0.8878349