diff --git a/litellm/proxy/_experimental/mcp_server/mcp_context.py b/litellm/proxy/_experimental/mcp_server/mcp_context.py
index 3cee6e190e6..51918509441 100644
--- a/litellm/proxy/_experimental/mcp_server/mcp_context.py
+++ b/litellm/proxy/_experimental/mcp_server/mcp_context.py
@@ -20,6 +20,8 @@ _mcp_gateway_initialize_instructions: ContextVar[Optional[str]] = ContextVar(
     "_mcp_gateway_initialize_instructions", default=None
 )
 
+# Per-request scoped server name; set in MCP HTTP/SSE handlers when the path
+# identifies exactly one upstream server. Never populated from client-supplied headers.
 _mcp_gateway_server_name: ContextVar[Optional[str]] = ContextVar(
     "_mcp_gateway_server_name", default=None
 )