Update README.md

README.md

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 ### Dataset Summary
 
-The data is multi-scene noise data, covering subway, supermarket, restaurant, road, airport, exhibition hall, high-speed rail, highway, city road, cinema and other daily life scenes.The data is recorded by the professional recorder Sony ICD-UX560F, which is collected in a high sampling rate and two-channel format, and the recording is clear and natural. The valid data is 101 hours.
+This dataset is just a sample of  multi-scene noise dataset(paid dataset), covering subway, supermarket, restaurant, road, airport, exhibition hall, high-speed rail, highway, city road, cinema and other daily life scenes.The data is recorded by the professional recorder Sony ICD-UX560F, which is collected in a high sampling rate and two-channel format, and the recording is clear and natural. The valid data is 101 hours.
                            
-For more details, please refer to the link:https://www.nexdata.ai/datasets/speechrecog/25?source=Huggingface
+For more details & to download the rest of the dataset(paid), please refer to the link:https://www.nexdata.ai/datasets/speechrecog/25?source=Huggingface
 
 ### Supported Tasks and Leaderboards