Update README.md

README.md

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 ### Dataset Summary
 
-MGSM ([Shi et al., 2023](https://openreview.net/forum?id=fR3wGCk-IXp)) is a subset of 250 grade-school math problems from the GSM8K dataset ([Cobbe et al., 2021]()) that has been manually translated into ten typologically diverse language.
+MGSM ([Shi et al., 2023](https://openreview.net/forum?id=fR3wGCk-IXp)) is a subset of 250 grade-school math problems from the GSM8K dataset ([Cobbe et al., 2021]()) that has been manually translated into 10 typologically diverse languages.
 Here, we provide professional translations to yet another language: Basque.
 
 ### Languages