--- old/src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/formats/html/ModuleIndexWriter.java	2017-10-16 15:21:50.147935558 -0700
+++ new/src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/formats/html/ModuleIndexWriter.java	2017-10-16 15:21:49.767918659 -0700
@@ -30,7 +30,6 @@
 import javax.lang.model.element.ModuleElement;
 import javax.lang.model.element.PackageElement;
 
-import jdk.javadoc.internal.doclets.formats.html.markup.HtmlConstants;
 import jdk.javadoc.internal.doclets.formats.html.markup.HtmlStyle;
 import jdk.javadoc.internal.doclets.formats.html.markup.HtmlTag;
 import jdk.javadoc.internal.doclets.formats.html.markup.HtmlTree;
@@ -145,7 +144,8 @@
         Content table = (configuration.isOutputHtml5())
                 ? HtmlTree.TABLE(HtmlStyle.overviewSummary, getTableCaption(new RawHtml(text)))
                 : HtmlTree.TABLE(HtmlStyle.overviewSummary, tableSummary, getTableCaption(new RawHtml(text)));
-        table.addContent(getSummaryTableHeader(moduleTableHeader, "col"));
+        Content header = new TableHeader(contents.moduleLabel, contents.descriptionLabel).toContent();
+        table.addContent(header);
         Content tbody = new HtmlTree(HtmlTag.TBODY);
         addModulesList(modules, tbody);
         table.addContent(tbody);