docs: refine agents customization features in documentation

pages/docs/features/agents.mdx

@@ -129,10 +129,8 @@ LibreChat Agents usher in a new era for the app where future pipelines can be st
 
 Future updates will include:
 - General improvements to the current Agent experience
-- The ability to customize a titling agent, for use across the start of chat threads
-- The ability to customize a memory agent, for managing user context and history
-- The ability to customize a prompt enhancement or predictions agent, for assisting with user input
 - Multi-agent orchestration for complex workflows
+- Ability to customize agents for various functions: titling (chat thread naming), memory management (user context/history), and prompt enhancement (input assistance/predictions)
 - More tools, tool parameters, and [Model Context Provider](https://github.com/danny-avila/LibreChat/issues/4876) support for tools and file resources.
 
 Furthermore, the update introduces a new paradigm for LibreChat, as its underlying architecture provides a much needed refresh for the app, optimizing both the user experience and overall app performance.