Update README.md

README.md

@@ -40,7 +40,8 @@ YAML tags:
 
 ### Dataset Summary
 
-The dataset contains 20,000 hours of accented English speech data. It's collected from local English speakers in more than 20 countries, such as USA, China, UK, Germany, Japan, India, France, Spain, Russia, Latin America, covering a variety of pronunciation habits and characteristics, accent severity, and the distribution of speakers.The sentence accuracy is over 95%.                                                                           For more details, please refer to the link: https://www.datatang.ai/dataset/speech/english%20speech/
+The dataset contains 20,000 hours of accented English speech data. It's collected from local English speakers in more than 20 countries, such as USA, China, UK, Germany, Japan, India, France, Spain, Russia, Latin America, covering a variety of pronunciation habits and characteristics, accent severity, and the distribution of speakers. The format is 16kHz, 16bit, uncompressed wav, mono channel. The sentence accuracy is over 95%.                                                                           
+For more details, please refer to the link: https://www.datatang.ai/dataset/speech/english%20speech/
 
 ### Supported Tasks and Leaderboards