updated formatting

README.md

@@ -55,11 +55,11 @@ The expected data format of the `.json` files is a list of target holes and corr
 - `question`: surrounding context
 - `target`: target hole
 - `ctxs`: a list of repo contexts where each item is a dictionary containing
-        - `title`: name of the repo context
-        - `text`: content of the repo context
+  - `title`: name of the repo context
+  - `text`: content of the repo context
 
 The actual java sources can be accessed via file system directly. The format is like this `[<data_set_root>/data/<split_name>/<github_user>/<repo_name>/<path/to/every/java/file/in/the/repo>.java]`. When accessed through `Datasets.load_dataset`, the data fields for the `sources` can be specified as below.
-```
+```python
 features = datasets.Features({
     'file': datasets.Value('string'),
     'content': datasets.Value('string')
@@ -67,7 +67,7 @@ features = datasets.Features({
 ```
 
 When accessed through `Datasets.load_dataset`, the data fields for the repo contexts can be specified as below.
-```
+```python
 features = datasets.Features({
     'id': datasets.Value('string'),
     'hole_file': datasets.Value('string'),