src/java.xml/share/classes/javax/xml/xpath/XPathFactory.java

@@ -237,11 +237,11 @@
      * This function is useful when there are multiple providers in the classpath.
      * It gives more control to the application as it can specify which provider
      * should be loaded.</p>
      *
      *
-     * <h2>Tip for Trouble-shooting</h2>
+     * <h4>Tip for Trouble-shooting</h4>
      * <p>Setting the <code>jaxp.debug</code> system property will cause
      * this method to print a lot of debug messages
      * to <code>System.err</code> about what it is doing and where it is looking at.</p>
      *
      * <p> If you have problems try:</p>