Update README.md

README.md

@@ -30,12 +30,13 @@ We have pre-processed all audio files to a 16 kHz sampling rate and stored them
 We recommend using the following commands to download the `confit/audioset-16khz-wds` dataset from HuggingFace. 
 The dataset is available in two versions:
 
- - 20k (balanced): A smaller version with 20,550 clips for quick experimentation.
- - 500k<sup>[2]</sup>: A (slightly more) balanced version with 497,982 clips for quick experimentation.
- - 2m (unbalanced): The complete dataset with ~2 million clips.
- - test (eval): The test set with 18,886 clips.
+ - train:
+   - 20k: A smaller balanced version with 20,550 clips for quick experimentation.
+   - 500k<sup>[2]</sup>: A (slightly more) balanced version with 497,982 clips for quick experimentation.
+   - 2m: The complete unbalanced dataset with ~2 million clips.
+ - test: The eval set with 18,886 clips.
 
-> **_NOTE:_** Both the 20k (balanced) and 2m (unbalanced) versions share the same test set (eval).
+> **_NOTE:_** All versions of train sets share the same test set.
 
 ```bash
 # For the 20k version
@@ -97,5 +98,6 @@ Each sample in the dataset follows the WebDataset format, which includes the fol
 
 ## License and Usage Restrictions
 
+We download the dataset from qiuqiangkong's [GitHub](https://github.com/qiuqiangkong/audioset_tagging_cnn).
 Please ensure compliance with YouTube's terms of service when using this dataset. 
 Some clips may no longer be available if the original videos have been removed or made private.