jdk/src/jdk.charsets/share/classes/module-info.java

*** 21,30 ****
--- 21,37 ----
   * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
   * or visit www.oracle.com if you need additional information or have any
   * questions.
   */
  
+ /**
+  * {@link java.nio.charset.Charset Charset} provider for the charsets that
+  * are not in {@code java.base} mostly double byte and IBM charsets.
+  *
+  * @moduleGraph
+  * @since 9
+  */
  module jdk.charsets {
      provides java.nio.charset.spi.CharsetProvider
          with sun.nio.cs.ext.ExtendedCharsets;
  }