Update README.md

README.md

@@ -52,21 +52,26 @@ These models, released under the **Apache 2.0 license**, provide enhanced access
 Sailor2 builds upon the foundation of the awesome multilingual model [Qwen 2.5](https://huggingface.co/collections/Qwen/qwen25-66e81a666513e518adb90d9e) and 
 is continuously pre-trained on **500B tokens** to support **15 languages** better with a unified model. 
 These languages include English, Chinese, Burmese, Cebuano, Ilocano, Indonesian, Javanese, Khmer, Lao, Malay, Sundanese, Tagalog, Thai, Vietnamese, and Waray. 
-By addressing the growing demand for diverse, robust, and accessible language models, 
-Sailor2 seeks to serve the underserved in SEA areas with open, inclusive, and accessible multilingual LLMs.
-
-Refer to [Sailor2 Website](https://sea-sailor.github.io/blog/sailor2/) for more training details.
+By addressing the growing demand for diverse, robust, and accessible language models, Sailor2 seeks to serve the underserved in SEA areas with open, inclusive, and accessible multilingual LLMs.
+The Sailor2 model comes in three sizes, 1B, 8B, and 20B, which are **expanded from the Qwen2.5 base models** of 0.5B, 7B, and 14B, respectively. 
 
 ## Model Summary
 - **Model Collections:** [Base Model & Chat Model](https://huggingface.co/collections/sail/sailor2-language-models-674d7c9e6b4dbbd9a869906b)
-- **Project Website:** [sea-sailor.github.io/blog/sailor2](https://sea-sailor.github.io/blog/sailor2/)
+- **Project Website:** [sailorllm.github.io/blog/sailor2](https://sailorllm.github.io/blog/sailor2)
 - **Codebase:** [github.com/sail-sg/sailor2](https://github.com/sail-sg/sailor2)
 - **Technical Report:** Coming Soon
 
 
-
 ## Training details
 
+During development, we employ a range of advanced technologies to ensure top-tier performance and efficiency:
+
+1. model expansion
+2. optimized data mixing strategies 
+3. multi-stage pre-training protocols 
+4. advanced multilingual post-training
+
+
 
 ## Requirements
 The code of Sailor2 has been in the latest Hugging face transformers and we advise you to install `transformers==4.46.3`.