diff -r 66ee9ea9f2f3 -r 8fa2058eb740 jdk/src/jdk.internal.opt/share/classes/module-info.java
--- a/jdk/src/jdk.internal.opt/share/classes/module-info.java	Fri Feb 10 10:07:42 2017 +0800
+++ b/jdk/src/jdk.internal.opt/share/classes/module-info.java	Thu Feb 09 18:33:28 2017 -0800
@@ -25,6 +25,8 @@
 
 /**
  * Internal option processing API
+ *
+ * @since 9
  */
 module jdk.internal.opt {
     exports jdk.internal.joptsimple to jdk.jlink, jdk.jshell;