diff --git a/src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/formats/html/NestedClassWriter.java b/src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/formats/html/NestedClassWriter.java
index 7f67e37840d..4534f707c38 100644
--- a/src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/formats/html/NestedClassWriter.java
+++ b/src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/formats/html/NestedClassWriter.java
@@ -114,7 +114,7 @@ public class NestedClassWriter extends AbstractMemberWriter {
                     ? resources.getText("doclet.Nested_Classes_Interfaces_Inherited_From_Interface")
                     : resources.getText("doclet.Nested_Classes_Interfaces_Inherited_From_Class"));
         }
-        var labelHeading = HtmlTree.HEADING(Headings.TypeDeclaration.SUMMARY_HEADING, label);
+        var labelHeading = HtmlTree.HEADING(Headings.TypeDeclaration.INHERITED_SUMMARY_HEADING, label);
         labelHeading.setId(htmlIds.forInheritedClasses(typeElement));
         labelHeading.add(Entity.NO_BREAK_SPACE);
         labelHeading.add(classLink);
diff --git a/test/langtools/jdk/javadoc/doclet/testHiddenTag/TestHiddenTag.java b/test/langtools/jdk/javadoc/doclet/testHiddenTag/TestHiddenTag.java
index 1cad5678258..0a92a489727 100644
--- a/test/langtools/jdk/javadoc/doclet/testHiddenTag/TestHiddenTag.java
+++ b/test/langtools/jdk/javadoc/doclet/testHiddenTag/TestHiddenTag.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016, 2022, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2016, 2023, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -72,8 +72,8 @@ public class TestHiddenTag extends JavadocTester {
                 """
                     <code><a href="A.html#visibleMethod()">visibleMethod</a></code>""",
                 """
-                    <h2 id="nested-classes-inherited-from-class-pkg1.A">Nested classes/interfaces in\
-                    herited from class&nbsp;pkg1.<a href="A.html" title="class in pkg1">A</a></h2>
+                    <h3 id="nested-classes-inherited-from-class-pkg1.A">Nested classes/interfaces in\
+                    herited from class&nbsp;pkg1.<a href="A.html" title="class in pkg1">A</a></h3>
                     <code><a href="A.VisibleInner.html" title="class in pkg1">A.VisibleInner</a>, <a\
                      href="A.VisibleInnerExtendsInvisibleInner.html" title="class in pkg1">A.Visible\
                     InnerExtendsInvisibleInner</a></code></div>
diff --git a/test/langtools/jdk/javadoc/doclet/testInterface/TestInterface.java b/test/langtools/jdk/javadoc/doclet/testInterface/TestInterface.java
index fd68246969b..cdba068ea4d 100644
--- a/test/langtools/jdk/javadoc/doclet/testInterface/TestInterface.java
+++ b/test/langtools/jdk/javadoc/doclet/testInterface/TestInterface.java
@@ -24,7 +24,7 @@
 /*
  * @test
  * @bug      4682448 4947464 5029946 8025633 8026567 8035473 8139101 8175200
-             8186332 8186703 8182765 8187288 8261976 8303349
+             8186332 8186703 8182765 8187288 8261976 8303349 8319988
  * @summary  Verify that the public modifier does not show up in the
  *           documentation for public methods, as recommended by the JLS.
  *           If A implements I and B extends A, B should be in the list of
@@ -204,9 +204,9 @@ public class TestInterface extends JavadocTester {
         checkOutput("pkg2/Spliterator.OfDouble.html", true,
             // Ensure the correct type parameters are displayed correctly
             """
-                <h2 id="nested-classes-inherited-from-class-pkg2.Spliterator">Nested classes/int\
+                <h3 id="nested-classes-inherited-from-class-pkg2.Spliterator">Nested classes/int\
                 erfaces inherited from interface&nbsp;pkg2.<a href="Spliterator.html" title="int\
-                erface in pkg2">Spliterator</a></h2>
+                erface in pkg2">Spliterator</a></h3>
                 <code><a href="Spliterator.OfDouble.html" title="interface in pkg2">Spliterator.\
                 OfDouble</a>, <a href="Spliterator.OfInt.html" title="interface in pkg2">Spliter\
                 ator.OfInt</a>&lt;<a href="Spliterator.OfInt.html" title="type parameter in Spli\