diff --git a/book/features/external_toc.md b/book/features/external_toc.md
index b60c445..3d68754 100644
--- a/book/features/external_toc.md
+++ b/book/features/external_toc.md
@@ -5,6 +5,7 @@ This page is useful for user type 3-5.
 ```
 
 {bdg-link-secondary}`Python Package: teachbooks <./overview#teachbooks-python-package>`
+
 {bdg-succes}`WebApp`
 ````