--- a/langtools/test/tools/javac/diags/examples/WhereTypeVar.java	Wed Jul 05 22:10:57 2017 +0200
+++ b/langtools/test/tools/javac/diags/examples/WhereTypeVar.java	Tue Sep 06 17:04:43 2016 -0700
@@ -27,7 +27,7 @@
 // key: compiler.err.cant.apply.symbol
 // key: compiler.misc.no.conforming.assignment.exists
 // key: compiler.misc.inconvertible.types
-// options: -diags:formatterOptions=where,disambiguateTvars
+// options: --diags:formatterOptions=where,disambiguateTvars
 // run: simple
 
 class WhereTypeVar<T extends String> {