diff -r 825bad9a162a -r a9b0f76e15bf langtools/src/jdk.javadoc/share/classes/module-info.java
--- a/langtools/src/jdk.javadoc/share/classes/module-info.java	Mon Feb 13 17:04:26 2017 -0800
+++ b/langtools/src/jdk.javadoc/share/classes/module-info.java	Mon Feb 13 18:19:36 2017 -0800
@@ -26,6 +26,8 @@
 /** Defines the implementation of the
  *  {@link javax.tools.ToolProvider#getSystemDocumentationTool system documentation tool}
  *  and its command line equivalent, <em>javadoc</em>.
+ *
+ *  @since 9
  */
 module jdk.javadoc {
     requires transitive java.compiler;