Update README.md

README.md

@@ -7,7 +7,7 @@ language:
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 * English multi document Q&A data created using RedPajamaCommonCrawl data as reference text
 * Each sample contains  <font
- color=red> one reference document, 199 irrelevant documents, and a Q-A pair based on the reference document</font>. It can be used to train models to extract key information from a large number of documents.
+ color=red> one reference document, 199 irrelevant documents, and a Q-A pair based on the reference document</font>. It can be used to train models to extract the target information from a large number of documents.
 
 * 以RedPajamaCommonCrawl数据为参考文本，制作的英文多文档问答数据
 *