Updated README to include ODC-BY licensing

README.md

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-license: mit
+license: odc-by
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 **OLMoASR-Pool** is a web-scale audio-text dataset collected from the public internet, consisting of approximately **3M hours of audio** and **17M transcripts**. 
 
@@ -36,6 +36,7 @@ With OLMoASR-Pool, we trained **OLMoASR** 💬🎙️, a series of English speec
 The collection was used to train a speech recognition model, but it can also be used in research areas such as conversational data, audio understanding, speaker diarization, voice detection and more.
 
 # License
+This dataset is licensed under ODC-BY. It is intended for research and educational use in accordance with Ai2's [Responsible Use Guidelines](https://allenai.org/responsible-use).
 
-# Reference
 
+# Reference