diff --git a/_toc.yml b/_toc.yml
index fee8219..cc57b67 100644
--- a/_toc.yml
+++ b/_toc.yml
@@ -17,13 +17,13 @@ parts:
     chapters:
         - file: book/02a_buildings_currentness_DuckDB_PyIceberg.ipynb
         - file: book/02_vandalism_detection.ipynb
-        - file: book/02_corporate_edits.ipynb
   - caption: Data Integration
     chapters:
         - file: book/03_hot_tm_project_analysis.ipynb
         - file: book/03_mapillary_data_analysis.ipynb
   - caption: Advanced Data Analysis
     chapters:
+        - file: book/04_corporate_edits.ipynb
         - file: book/04_Country_User_Activity_DuckDB_only.ipynb
         - file: book/04_highways_timeline_DuckDB_only.ipynb
   - caption: Background
diff --git a/book/02_corporate_edits.ipynb b/book/04_corporate_edits.ipynb
similarity index 100%
rename from book/02_corporate_edits.ipynb
rename to book/04_corporate_edits.ipynb