diff --git a/slide.md b/slide.md
index 7ecf104..a17bfab 100644
--- a/slide.md
+++ b/slide.md
@@ -212,3 +212,5 @@ torrent.
 Questa slide in PDF e il suo sorgente si trovano online
 
 <https://git.abbiamoundominio.org/dan/presentazione-torrent>
+
+[Z]: pandoc -t beamer slide.md -o slide.pdf