improve wording

app.py

@@ -261,11 +261,12 @@ title = (
 )
 description = """
 The ROOTS corpus was developed during the [BigScience workshop](https://bigscience.huggingface.co/) for the purpose
-of training the Multilingual Large Language Model [BLOOM](https://huggingface.co/bigscience/bloom). This tool allows
-you to search through the ROOTS corpus. We serve a BM25 index for each language or group of languages included in
-ROOTS. We also offer exact search which is enabled if you enclose your query in double quotes. For details, please check out
-the preprint describing our tool available [on Arxiv](https://arxiv.org/abs/2302.14035). For more
-information and instructions on how to access the full corpus consult [this form](https://forms.gle/qyYswbEL5kA23Wu99)."""
+of training the Multilingual Large Language Model [BLOOM](https://huggingface.co/bigscience/bloom). The ROOTS Search
+Tool allows you to search through the ROOTS corpus. We serve a BM25 index for each language or group of languages
+included in ROOTS. We also offer exact search which is enabled if you enclose your query in double quotes. More details
+about the implementation and use cses is available in our [paper](https://arxiv.org/abs/2302.14035) - please cite it if
+you use ROOTS Search Tool in your work. For more information and instructions on how to access the full corpus consult
+[this form](https://forms.gle/qyYswbEL5kA23Wu99)."""
 
 
 if __name__ == "__main__":