--- old/test/langtools/tools/javac/diags/examples/PreviewFilename.java	2018-06-27 14:20:45.470003999 -0700
+++ new/test/langtools/tools/javac/diags/examples/PreviewFilename.java	2018-06-27 14:20:45.342003999 -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;