diff --git a/book/_toc.yml b/book/_toc.yml
index 5f7ce70..49b3203 100644
--- a/book/_toc.yml
+++ b/book/_toc.yml
@@ -3,14 +3,16 @@ root: intro.md
 
 parts:
   - caption: Thesis Projects
-    maxdepth: 0  # The displayed Table of Contents will only have two levels
+    maxdepth: 1  # The displayed Table of Contents will only have two levels
     chapters: 
     - file: thesis_projects/BSc/overview_BSc_thesis_projects.md
       sections:
       - file: thesis_projects/BSc/2023_Q4_GeltSteiger_CEG/BSc_GeltSteiger.md
         sections:
         - file: thesis_projects/BSc/2023_Q4_GeltSteiger_CEG/1_BSc_GeltSteiger.md
+          title: introduction
         - file: thesis_projects/BSc/2023_Q4_GeltSteiger_CEG/2_BSc_GeltSteiger.ipynb
+          title: methods
     - file: thesis_projects/overview_MSc_thesis_projects.md
   - caption: Tutorials
     maxdepth: 1  # The displayed Table of Contents will only have two levels