Update README.md

README.md

@@ -22,6 +22,18 @@ license: apache-2.0
 
 arco consistently outperforms every sota model below 600m parameters on average, outperforms some base 1b models and is competitive with the best ones. arco is a merge of multiple internal models fine-tuned on a diverse set of styles and finally merged with the several models (including palmer-004-turbo), followed by a merge with base model to preserve knowledge.
 
+#### prompt
+
+there is no prompt intentionally set but this one worked really good for me:
+
+```
+The following is a conversation between a super smart AI assistant and an user.
+
+user: <your question>
+
+assistant:
+```
+
 #### benchmarks
 
 zero-shot evaluations performed on current sota ~0.5b models.