Update docs/index.md

Co-authored-by: Eirik Tsarpalis <eirik.tsarpalis@gmail.com>

Author: localden

docs/index.md

@@ -4,6 +4,6 @@ _layout: landing
 
 # Model Context Protocol (MCP) .NET SDK
 
-Welcome to the API documentation for the MCP .NET SDK. [Explore the API](https://aka.ms/mcp/dotnet).
+Welcome to the API documentation for the MCP C# SDK. [Explore the API](https://aka.ms/mcp/dotnet).
 
 For how-to guides, tutorials, and additional guidance, refer to the [official MCP documentation](https://modelcontextprotocol.io/).