Update Public Preview Status note in README

Author: D1M1TR10S

README.md

@@ -85,7 +85,7 @@ Alternatively, to manually configure VS Code, choose the appropriate JSON block
 
 > **Note:** Each MCP host application needs to configure a GitHub App or OAuth App to support remote access via OAuth. Any host application that supports remote MCP servers should support the remote GitHub server with PAT authentication. Configuration details and support levels vary by host. Make sure to refer to the host application's documentation for more info.
 
-> **Public Preview Status:** The **remote** GitHub MCP Server is currently in Public Preview. During preview, access may be gated depending on authentication type and surface:
+> ⚠️ **Public Preview Status:** The **remote** GitHub MCP Server is currently in Public Preview. During preview, access may be gated depending on authentication type and surface:
 > - OAuth: Subject to GitHub Copilot Editor Preview Policy until GA
 > - PAT: Controlled via your organization's PAT policies
 > - MCP Access in Copilot: Enables/disables access to all MCP servers in VS Code and Copilot Coding Agent, with other Copilot editors migrating to this policy in the coming months.