Update README.md

README.md

@@ -25,8 +25,9 @@ It is part of the **family of MosaicBERT-Base models** trained using ALiBi on di
 * mosaic-bert-base-seqlen-256
 * [mosaic-bert-base-seqlen-512](https://huggingface.co/mosaicml/mosaic-bert-base-seqlen-512)
 * [mosaic-bert-base-seqlen-1024](https://huggingface.co/mosaicml/mosaic-bert-base-seqlen-1024) 
-* [mosaic-bert-base-seqlen-2048](https://huggingface.co/mosaicml/mosaic-bert-base-seqlen-2048) 
+* [mosaic-bert-base-seqlen-2048](https://huggingface.co/mosaicml/mosaic-bert-base-seqlen-2048)
 
+The primary use case of these models is for research on efficient pretraining and finetuning for long context embeddings.
 
 
 ## Model Date