better language for elicitation note

Author: bhosmer-ant

docs/specification/draft/client/elicitation.mdx

@@ -5,7 +5,7 @@ title: Elicitation
 <Info>**Protocol Revision**: draft</Info>
 
 <Note>
-Note: the elicitation feature is experimental, and may change in future versions of the protocol.
+This version of the spec introduces the elicitation feature. It may change in future versions of the protocol.
 </Note>
 
 The Model Context Protocol (MCP) provides a standardized way for servers to request additional