diff --git a/docs/index.md b/docs/index.md
index 3e2d0dbe..9ff4f0e7 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -27,6 +27,8 @@ hide:
 
 </div>
 
+# Introduction
+
 _Oncology FM Evaluation Framework by [kaiko.ai](https://www.kaiko.ai/)_
 
 With the first release, ***eva*** supports performance evaluation for vision Foundation Models ("FMs") and supervised machine learning models on WSI-patch-level image classification- and radiology (CT-scans) segmentation tasks.
diff --git a/mkdocs.yml b/mkdocs.yml
index 81293893..9a226915 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -6,6 +6,7 @@ theme:
   features:
     - navigation.tabs
     - navigation.indexes
+    - navigation.expand
     - search.suggest
     - search.highlight
     - content.code.copy
@@ -60,7 +61,7 @@ markdown_extensions:
   - pymdownx.snippets
   - pymdownx.superfences
 nav:
-  - eva: index.md
+  - Introduction: index.md
   - User Guide:
       - user-guide/index.md
       - Getting started:
@@ -108,8 +109,10 @@ nav:
         - IO: reference/vision/utils/io.md
   - Datasets: 
     - datasets/index.md
-    - BACH: datasets/bach.md
-    - CRC: datasets/crc.md
-    - MHIST: datasets/mhist.md
-    - PatchCamelyon: datasets/patch_camelyon.md
-    - TotalSegmentator: datasets/total_segmentator.md
+    - WSI-patches:
+      - BACH: datasets/bach.md
+      - CRC: datasets/crc.md
+      - MHIST: datasets/mhist.md
+      - PatchCamelyon: datasets/patch_camelyon.md
+    - Radiology:
+      - TotalSegmentator: datasets/total_segmentator.md