--- a/test/langtools/tools/javac/diags/examples/PreviewFilename.java	Thu Jun 28 19:55:44 2018 +0200
+++ b/test/langtools/tools/javac/diags/examples/PreviewFilename.java	Wed Jun 27 21:01:12 2018 -0700
@@ -25,7 +25,7 @@
 
 // key: compiler.note.preview.filename
 // key: compiler.note.preview.recompile
-// options: -XDforcePreview  -source 11 --enable-preview
+// options: -XDforcePreview  -source 12 --enable-preview
 
 import java.util.ArrayList;
 import java.util.List;