src/share/classes/java/lang/invoke/MutableCallSite.java

@@ -193,11 +193,11 @@
      * a {@code NullPointerException} will be raised.
      * In this case, some non-null elements in the array may be
      * processed before the method returns abnormally.
      * Which elements these are (if any) is implementation-dependent.
      *
-     * <h3>Java Memory Model details</h3>
+     * <h1>Java Memory Model details</h1>
      * In terms of the Java Memory Model, this operation performs a synchronization
      * action which is comparable in effect to the writing of a volatile variable
      * by the current thread, and an eventual volatile read by every other thread
      * that may access one of the affected call sites.
      * <p>