Update README.md

README.md

@@ -4,4 +4,21 @@ license: llama2
 - 650 steps, BS 64
 - [wandb run](https://wandb.ai/open-assistant/epfl-mt-sft/runs/run16)
 - [sampling-report](https://open-assistant.github.io/oasst-model-eval/?f=https%3A%2F%2Fraw.githubusercontent.com%2FOpen-Assistant%2Foasst-model-eval%2Fmain%2Fsampling_reports%2Foasst-sft%2F2023-08-11_andreaskoepf_llama2-7b-oasst-baseline_sampling_noprefix2.json)
-- 
+
+### Prompt template
+
+[chatml](https://github.com/openai/openai-python/blob/main/chatml.md) format is used:
+"<|im_start|>system\n{system message}<|im_end|>\n<|im_start|>user\n{user prompt}<|im_end|>\n<|im_start|>assistant\n{Assistant answer}<|im_end|>\n" 
+
+multi-line:
+
+```
+"""
+<|im_start|>system
+{system message}<|im_end|>
+<|im_start|>user
+{user prompt}<|im_end|>
+<|im_start|>assistant
+{Assistant answer}<|im_end|>
+"""
+```