diff --git a/mkdocs.yml b/mkdocs.yml
index 3e49b70..c6db219 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -6,7 +6,7 @@ nav:
   - Program: program.md
 theme: material
 plugins:
-    - with-pdf
+    - with-pdf:
          author: Thomas Berker
          cover_title: Theories of Science (KULT8850/1)
          cover_subtitle: Everything you need to know