Update README.md

README.md

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 ### Dataset Summary
 
-Thai speech data (guiding) is collected from 490 Thailand native speakers and is recorded in quiet environment. The recording is rich in content, covering multiple categories such as in-car scene, smart home, speech assistant. 50 sentences for each speaker. The valid volumn is 15 hours. All texts are manual transcribed with high accuray.
+This dataset is just a sample of Thai Speech Data by Mobile Phone Guiding(paid dataset).Thai speech data (guiding) is collected from 490 Thailand native speakers and is recorded in quiet environment. The recording is rich in content, covering multiple categories such as in-car scene, smart home, speech assistant. 50 sentences for each speaker. The valid volumn is 15 hours. All texts are manual transcribed with high accuray.
                            
-For more details, please refer to the link: https://www.nexdata.ai/datasets/speechrecog/70?source=Huggingface
+For more details & to download the rest of the dataset(paid),please refer to the link: https://www.nexdata.ai/datasets/speechrecog/70?source=Huggingface
 
 
 ### Supported Tasks and Leaderboards