add lstm info

chapter05/resnet/resnet_cifar.py

@@ -14,7 +14,7 @@
 # ============================================================================
 """
 train and evaluate resnet example for cifar10 dataset
-1.For environment used for deploying this script please choose Ascend.
+1.The sample can only be run on Ascend 910 AI processor.
 2.Aroud 30s per epoch and about 90% accuracy when the number of epoch reaches 34.
 """
 import os

chapter06/lstm/main.py

@@ -13,7 +13,8 @@
 # limitations under the License.
 # ============================================================================
 """
-LSTM Tutorial
+LSTM Sample, has train and evaluate part.
+The sample can only be run on GPU.
 """
 import os
 import shutil