atomic improvement: participants rather than an instance of "use" (w3c#245)

incremental improvement per @cwilso suggestion.

helps address some remaining concern(s) in w3c#211

Author: tantek

Vision/Vision.bs

@@ -86,7 +86,7 @@ Markup Shorthands: markdown yes
 	and its impact will continue to grow in the future, 
 	as it expands reach, knowledge, education, and services even more broadly.
 	We believe the World Wide Web should be 
-	inclusive and respectful of those who use it: 
+	inclusive and respectful of all participants: 
 	a Web that supports facts over falsehoods, 
 	people over profits, 
 	humanity over hate.