Update README.md

README.md

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 license: cc-by-nc-nd-4.0
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 ## Description
-1,980,000 sets of Chinese and Polish language parallel translation corpus, data storage format is txt document. Data cleaning, desensitization, and quality inspection have been carried out, which can be used as a basic corpus for text data analysis and in fields such as machine translation.
+This dataset is just a sample of 1,980,000 sets of Chinese and Polish language parallel translation corpus(paid dataset), data storage format is txt document. Data cleaning, desensitization, and quality inspection have been carried out, which can be used as a basic corpus for text data analysis and in fields such as machine translation.
 
-For more details, please refer to the link: https://www.nexdata.ai/datasets/nlu/1337?source=Huggingface
+For more details & to download the rest of the dataset(paid),please refer to the link: https://www.nexdata.ai/datasets/nlu/1337?source=Huggingface
 
 
 ## Storage format