chore: update README.md content

README.md

@@ -16,6 +16,6 @@ The **Ghost X** was developed with the goal of researching and developing artifi
 | **Date**   | **Description**                                                                                                                                                     |
 | ---------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
 | 20/04/2024 | Released the **Ghost 7B Alpha** 🎉 <br/>The large generation of language models focuses on optimizing excellent reasoning, multi-task knowledge, and tools support. |
-| 10/07/2024 | Live demo the **Ghost 8B Beta** 🎉 - Online demo: [(β, 8k)](https://huggingface.co/spaces/lamhieu/ghost-8b-beta-8k), [(β, 128k)](https://huggingface.co/spaces/lamhieu/ghost-8b-beta-128k) <br/>The large language model developed with goals that include excellent multilingual support, superior knowledge capabilities, and cost-effectiveness. The model comes in two context length versions, 8k and 128k, along with multilingual function tools support by default. |
+| 10/07/2024 | Live demo the **Ghost 8B Beta** 🎉 - Playground with [(β, 8k)](https://huggingface.co/spaces/lamhieu/ghost-8b-beta-8k) or [(β, 128k)](https://huggingface.co/spaces/lamhieu/ghost-8b-beta-128k). <br/>The large language model developed with goals that include excellent multilingual support, superior knowledge capabilities, and cost-effectiveness. The model comes in two context length versions, 8k and 128k, along with multilingual function tools support by default. |
 
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