Update README.md

README.md

@@ -129,4 +129,5 @@ for the SGPT model can be accessed at [2].
 
 [1] Muennighoff, N. (2022). SGPT: GPT Sentence Embeddings for Semantic Search. arXiv preprint arXiv:2202.08904.
 
-[2] Link to the preprint: https://arxiv.org/abs/2202.08904```
+[2] Link to the preprint: https://arxiv.org/abs/2202.08904
+```