--- a/src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/toolkit/builders/ModuleSummaryBuilder.java	Mon Mar 11 11:23:09 2019 -0700
+++ b/src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/toolkit/builders/ModuleSummaryBuilder.java	Mon Mar 11 12:59:45 2019 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2013, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2013, 2019, 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
@@ -152,7 +152,7 @@
         buildModulesSummary(summaryContentTree);
         buildServicesSummary(summaryContentTree);
 
-        moduleContentTree.addContent(moduleWriter.getSummaryTree(summaryContentTree));
+        moduleContentTree.add(moduleWriter.getSummaryTree(summaryContentTree));
     }
 
     /**