Merge pull request #666 from PaddlePaddle/ds2_doc

result with specaug

Author: zh794390558

examples/aishell/s0/README.md

@@ -4,6 +4,7 @@
 
 | Model | release | Config | Test set | Loss | CER |  
 | --- | --- | --- | --- | --- | --- |  
-| DeepSpeech2 | 2.1.0 | conf/deepspeech2.yaml | test | 7.299022197723389 | 0.078671 |  
+| DeepSpeech2 | 2.1.0 | conf/deepspeech2.yaml + spec aug | test | 7.483316898345947 | 0.077860 |  
+| DeepSpeech2 | 2.1.0 | conf/deepspeech2.yaml | test | 7.299022197723389 | 0.078671 |
 | DeepSpeech2 | 2.0.0 | conf/deepspeech2.yaml | test | - | 0.078977 |  
 | DeepSpeech2 | 1.8.5 | - | test | - | 0.080447 |