diff --git a/book/_toc.yml b/book/_toc.yml
index 1edd86b..9494dce 100644
--- a/book/_toc.yml
+++ b/book/_toc.yml
@@ -21,6 +21,8 @@ parts:
     - file: tutorials/index
       sections:
         - file: tutorials/example/tutorial-notebook
+      sections:
+        - file: tutorials/sentinel-1/tutorial-notebook
 - caption: Projects
   chapters:
     - file: projects/list_of_projects