Fix explanation about functional dependencies (from !175) in Builtin.Syntax (again)

backend/Builtin/Syntax.icl

@@ -306,7 +306,7 @@ bs_funcdep =
 	, syntax_examples      = map (requires_itask_compiler o EX)
 		[ "class plus a b ~c :: a b -> c\n" +
 		  "instance plus Int Int Int where plus x y = x + y\n" +
-		  "Start = plus 1 (plus 1 1) // Overloading can be resolved because we told the compiler that c determines the other types."
+		  "Start = plus 1 (plus 1 1) // Overloading can be resolved because we told the compiler that c is determined by the other types."
 		]
 	}