diff --git a/mkdocs.yml b/mkdocs.yml
index d174e47..23be6b1 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -8,20 +8,23 @@ repo_url: https://github.com/openml/server-api
 
 theme:
   name: material
-
   features:
     - content.code.copy
+    - navigation.indexes
+    - navigation.sections
+    - navigation.tabs
 
 nav:
-  - Intro: index.md
-  - Getting Started: installation.md
+  - OpenML Server:
+      - index.md
+      - Getting Started: installation.md
+      - Changes: migration.md
   - Contributing:
       - contributing/index.md
       - Development: contributing/contributing.md
       - Tests: contributing/tests.md
       - Documentation: contributing/documentation.md
       - Project Overview: contributing/project_overview.md
-  - Changes: migration.md
 
 markdown_extensions:
   - attr_list
@@ -34,4 +37,5 @@ markdown_extensions:
   - tables
 
 plugins:
+  - search
   - section-index