Update README.md

README.md

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-# 🍷 FineWeb2 Edu Japanese: Japanese Dataset for Educational Use
+# 🍷 FineWeb2 Edu Japanese: High-Quality Educational Japanese Dataset
 
 ![FineWeb2 Edu Japanese image](https://huggingface.co/datasets/hotchpotch/fineweb-2-edu-japanese/resolve/main/assets/fw2.png)
 
@@ -253,6 +253,9 @@ Please note that because noise detection is not perfect, there is a possibility
 
 No comparative experiments have been conducted between the "FineWeb2 Edu Japanese" dataset and the original "FineWeb2" dataset (which did not undergo Edu filtering). Therefore, the actual impact on LLM training performance remains unverified.
 
+Additionally, the classification accuracy for determining whether a text is educational is not perfect, and some texts that are not intended for educational purposes may be included.
+
+
 ## License
 
 This dataset is released under the **Open Data Commons Attribution License (ODC-By) v1.0**, as is the original FineWeb2 dataset. Additionally, its use is subject to the [CommonCrawl Terms of Use](https://commoncrawl.org/terms-of-use).