--- old/test/langtools/tools/javac/switchnull/SwitchNullDisabled.java	2018-08-01 08:09:38.583824429 +0200
+++ new/test/langtools/tools/javac/switchnull/SwitchNullDisabled.java	2018-08-01 08:09:38.283824443 +0200
@@ -1,6 +1,7 @@
-/**
+/*
  * @test /nodynamiccopyright/
  * @bug 8206986
+ * @summary Verify "case null" is not allowed.
  * @compile/fail/ref=SwitchNullDisabled.out -XDrawDiagnostics SwitchNullDisabled.java
  */