diff --git a/_toc.yml b/_toc.yml
index 824dec7..346fb8c 100644
--- a/_toc.yml
+++ b/_toc.yml
@@ -4,6 +4,7 @@ parts:
   - caption: Preamble
     chapters:
       - file: notebooks/how-to-cite
+      - file: notebooks/running-on-nimbus
   - caption: Searching
     chapters:
       - file: notebooks/intro-search