diff --git a/nbs/sidebar.yml b/nbs/sidebar.yml
index 9d632b8..adbcca9 100644
--- a/nbs/sidebar.yml
+++ b/nbs/sidebar.yml
@@ -11,7 +11,7 @@ website:
       - section: Editors and IDEs
         contents:
           - ed.md
-      - section: Guidlines
+      - section: Guidelines
         contents:
           - domains.md