fix linter

Author: ArthurFlag

content/manuals/ai/mcp-catalog-and-toolkit/toolkit.md

@@ -107,7 +107,7 @@ To install an MCP server:
 
 To learn more about the MCP server catalog, see [Catalog](catalog.md).
 
-### Example: Use the **GitHub Official** MCP server
+### Example: Use the GitHub Official MCP server
 
 Imagine you want to enable Ask Gordon to interact with your GitHub account: