update docs

docs/get_started.md

@@ -101,7 +101,7 @@ tensorboard --logdir ${exp_dir}/exp/${model_dir}/tensorboard/train
 ```
 
 ## Stage 4: Decoding
-This stage generates the recognition results with acoustic features as input and calculate the `CER` to verify the performance of the trained model. 
+This stage generates the recognition results and calculates the `CER` to verify the performance of the trained model. 
 
 * Mode Selection
 

docs_cn/get_started.md

@@ -106,6 +106,7 @@ tensorboard --logdir ${exp_dir}/exp/${model_dir}/tensorboard/train
 本阶段用于解码得到识别结果，同时计算CER来验证训练得到的模型性能。
 
 * Mode Selection
+
 由于我们提供了paraformer，uniasr和conformer等模型，因此在解码时，需要指定相应的解码模式。对应的参数为`mode`，相应的可选设置为`asr/paraformer/uniase`等。
 
 * Configuration