update guide about roadmap issues (#2846)

* update guide about roadmap issues

* update link

Author: sonichi

README.md

@@ -15,7 +15,7 @@
     <img src="https://github.com/microsoft/autogen/blob/main/website/static/img/flaml.svg"  width=200>
     <br>
 </p> -->
-:fire: May 29, 2024: DeepLearning.ai launched a new short course [AI Agentic Design Patterns with AutoGen](https://info.deeplearning.ai/new-course-on-agents-enroll-in-ai-agentic-design-patterns-with-autogen), made in collaboration with Microsoft and Penn State University, and taught by AutoGen creators [Chi Wang](https://github.com/sonichi) and [Qingyun Wu](https://github.com/qingyun-wu).
+:fire: May 29, 2024: DeepLearning.ai launched a new short course [AI Agentic Design Patterns with AutoGen](https://www.deeplearning.ai/short-courses/ai-agentic-design-patterns-with-autogen), made in collaboration with Microsoft and Penn State University, and taught by AutoGen creators [Chi Wang](https://github.com/sonichi) and [Qingyun Wu](https://github.com/qingyun-wu).
 
 :fire: May 24, 2024: Foundation Capital published an article on [Forbes: The Promise of Multi-Agent AI](https://www.forbes.com/sites/joannechen/2024/05/24/the-promise-of-multi-agent-ai/?sh=2c1e4f454d97) and a video [AI in the Real World Episode 2: Exploring Multi-Agent AI and AutoGen with Chi Wang](https://www.youtube.com/watch?v=RLwyXRVvlNk).
 

website/docs/contributor-guide/maintainer.md

@@ -28,7 +28,7 @@
 
 ## Issues and Discussions
 
-- For new issues, write a reply, apply a label if relevant. Ask on discord when necessary. For roadmap issues, add to the roadmap project and encourage community discussion. Mention relevant experts when necessary.
+- For new issues, write a reply, apply a label if relevant. Ask on discord when necessary. For roadmap issues, apply the roadmap label and encourage community discussion. Mention relevant experts when necessary.
 
 - For old issues, provide an update or close. Ask on discord when necessary. Encourage PR creation when relevant.
 - Use “good first issue” for easy fix suitable for first-time contributors.