diff --git a/README.md b/README.md
index 3f72c2e..75071b8 100644
--- a/README.md
+++ b/README.md
@@ -62,7 +62,7 @@ From there, it’s easy to implement popular design patterns like ([Multi-](http
 <div align="center">
   
 |  Tutorial Name  | Difficulty    | Topics  |  Description  |  
-| :-------------:  | :-------------: | :-------------: | ---------------------: |  
+| :-------------:  | :-------------: | :-------------: | : ---------------------|  
 | [Research Agent](https://github.com/The-Pocket/PocketFlow/tree/main/cookbook/pocketflow-agent) | ☆☆☆ *Dummy*   | [Agent](https://the-pocket.github.io/PocketFlow/design_pattern/agent.html) |  An AI agent that can search the web and answer questions |
 
 </div>