Update README.md

README.md

@@ -74,7 +74,7 @@ Please refer [README.md of llm-ja-tokenizer](https://github.com/llm-jp/llm-jp-to
 
 ## Datasets
 
-- **Pre-training:**
+### Pre-training
 
 The models have been pre-trained on approximately 287.5B tokens, sourced from a blend of the following datasets.
 
@@ -88,7 +88,7 @@ The models have been pre-trained on approximately 287.5B tokens, sourced from a
 
 Pretraining was done by 10-hold shards that consists approx. 27-28B tokens. We further finalized the pretraining with additional cleaned 27B tokens data.
 
-- **Instruction tuning:**
+### Instruction tuning
 
 The models have been fine-tuned on the following datasets.