diff --git a/_SUMMARY.md b/_SUMMARY.md
index 8c620694e..875c7528c 100644
--- a/_SUMMARY.md
+++ b/_SUMMARY.md
@@ -23,6 +23,7 @@
     * [Run Configurations](run_configurations.html)
     * [Testing Plugins](testing_plugins.html)
 * [Advanced Topics](advanced_topics.html)
+    * [Custom Language Support](custom_language_support.html)
     * [XML DOM API](xml_dom_api.html)
     * [Spring API](spring_api.html)
     * [VCS Integration Plugins](vcs_integration_for_plugins.html)
@@ -42,7 +43,6 @@
     * [Editor Components](editor_components.html)
     * [List and Tree Controls](lists_and_trees.html)
     * [Miscellaneous Swing Components](misc_swing_components.html)
-* [Custom Language Support](custom_language_support.html)
 * [Tutorials](tutorials.html)
     * [Custom Language Support](cls_tutorial.html)
         * [Prerequisites](cls_prerequisites.html)