Sync README to current extracted release

README.md

@@ -3129,7 +3129,7 @@ We illustrate the characteristics of PTADisc from the following four aspects:
 
 ### Loading the data
 
-Load a course or experiment subset by config name with `datasets`, or stream it:
+Select a course or experiment subset in the dataset viewer, or stream a subset with `datasets`:
 
 ```python
 from datasets import load_dataset
@@ -3152,10 +3152,10 @@ from huggingface_hub import snapshot_download
 snapshot_download("whning0513/PTADisc", repo_type="dataset", local_dir="PTADisc")
 ```
 
-Data files are published directly in this dataset repository as extracted CSV, JSON, text, and model files. Browse the **Files and versions** tab or download individual files; no archive extraction or access request is required. The original project is available on [GitHub](https://github.com/wahr0411/PTADisc).
-
 ### Data repository structure
 
+Data files are published directly in this dataset repository as extracted CSV, JSON, text, and model files. Browse the **Files and versions** tab or download individual files; no archive extraction or access request is required. The original project is available on [GitHub](https://github.com/wahr0411/PTADisc).
+
 The directory is organized as:
 
 ```