diff --git a/ijs.tree b/ijs.tree
index 0c1016747..5c6833e0d 100644
--- a/ijs.tree
+++ b/ijs.tree
@@ -242,9 +242,9 @@
     <toc-element topic="testing_highlighting.md"/>
     <toc-element topic="testing_faq.md"/>
     <toc-element topic="integration_tests.md">
-      <toc-element topic="integration_tests_intro.md"/>
-      <toc-element topic="integration_tests_ui.md"/>
-      <toc-element topic="integration_tests_api.md"/>
+      <toc-element topic="integration_tests_intro.md" toc-title="Introduction"/>
+      <toc-element topic="integration_tests_ui.md" toc-title="UI Testing"/>
+      <toc-element topic="integration_tests_api.md" toc-title="API Interaction"/>
     </toc-element>
   </toc-element>
   <toc-element toc-title="Custom Languages">