src/share/classes/java/io/File.java

@@ -127,11 +127,11 @@
  *
  * <p> Instances of the <code>File</code> class are immutable; that is, once
  * created, the abstract pathname represented by a <code>File</code> object
  * will never change.
  *
- * <h4>Interoperability with {@code java.nio.file} package</h4>
+ * <h3>Interoperability with {@code java.nio.file} package</h3>
  *
  * <p> The <a href="../../java/nio/file/package-summary.html">{@code java.nio.file}</a>
  * package defines interfaces and classes for the Java virtual machine to access
  * files, file attributes, and file systems. This API may be used to overcome
  * many of the limitations of the {@code java.io.File} class.