Fixed some typos in README and removed e.g. from example usage

Author: kamperh

README.md

@@ -38,26 +38,29 @@ Leader-board for the ZeroSpeech 2020 challenge can be found [here](https://zeros
  Note: `in_dir` must be the path to the `2019` folder. 
  For `dataset` choose between `2019/english` or `2019/surprise`.
  Other datasets will be added in the future.
+ Example usage:
  ```
- e.g. python preprecess.py in_dir=../datasets/2020/2019 dataset=2019/english
+ python preprocess.py in_dir=../datasets/2020/2019 dataset=2019/english
  ```
  
 ## Training
  
-1. Train the VQ-CPC model (pretrained weights will be released soon):
+1. Train the VQ-CPC model (pretrained weights are given above):
  ```
  python train_cpc.py checkpoint_dir=path/to/checkpoint_dir dataset=[2019/english or 2019/surprise]
  ```
+ Example usage:
  ```
- e.g. python train_cpc.py checkpoint_dir=checkpoints/cpc/2019english dataset=2019/english
+ python train_cpc.py checkpoint_dir=checkpoints/cpc/2019english dataset=2019/english
  ```
  
 2. Train the vocoder:
  ```
  python train_vocoder.py cpc_checkpoint=path/to/cpc/checkpoint checkpoint_dir=path/to/checkpoint_dir dataset=[2019/english or 2019/surprise]
  ```
+ Example usage:
  ```
- e.g. python train_vocoder.py cpc_checkpoint=checkpoints/cpc/english2019/model.ckpt-24000.pt checkpoint_dir=checkpoints/vocoder/english2019
+ python train_vocoder.py cpc_checkpoint=checkpoints/cpc/english2019/model.ckpt-24000.pt checkpoint_dir=checkpoints/vocoder/english2019
  ```
 
 ## Evaluation
@@ -80,8 +83,9 @@ Note: the `synthesis list` is a `json` file:
 containing a list of items with a) the path (relative to `in_dir`) of the source `wav` files;
 b) the target speaker (see `datasets/2019/english/speakers.json` for a list of options);
 and c) the target file name.
+Example usage:
 ```
-e.g. python convert.py cpc_checkpoint=checkpoints/cpc/english2019/model.ckpt-25000.pt vocoder_checkpoint=checkpoints/vocoder/english2019/model.ckpt-150000.pt in_dir=../datasets/2020/2019 out_dir=submission/2019/english/test synthesis_list=datasets/2019/english/synthesis.json in_dir=../../Datasets/2020/2019 dataset=2019/english
+python convert.py cpc_checkpoint=checkpoints/cpc/english2019/model.ckpt-25000.pt vocoder_checkpoint=checkpoints/vocoder/english2019/model.ckpt-150000.pt in_dir=../datasets/2020/2019 out_dir=submission/2019/english/test synthesis_list=datasets/2019/english/synthesis.json in_dir=../../Datasets/2020/2019 dataset=2019/english
 ```
 Voice conversion samples will be available soon.