Update README.md

README.md

@@ -17,7 +17,7 @@ This repository provides a Japanese-centric multilingual GPT-NeoX model of 10 bi
 
 * **Pre-training**
 
-    The model was trained on around **600B** tokens from a mixture of the following corpora
+    The model was trained on around **600B** tokens from a mixture of the following corpora.
 
     - [Japanese C4](https://huggingface.co/datasets/mc4)
     - [The Pile](https://huggingface.co/datasets/EleutherAI/pile)