diff --git a/mkdocs.yml b/mkdocs.yml
index 6775c56ca82ee3d76880f3410ddd06b97bcaf4ac..dba07300984bc0d74d8767e96b93c00b51bbde25 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -30,6 +30,7 @@ nav:
   - Semiconductors:
     - Basic principles: '13_semiconductors.md'
     - Doping and devices: '14_doping_and_devices.md'
+  - Summary and review: '15_SummaryAndReview.md'
   - Attic:
     - Magnetism: 'lecture_8.md'
     - Fermi surface periodic table: 'fermi_surfaces.md'