fix it-lang Indice

2020-02-08 14:14:14 +01:00 · 2020-02-08 14:14:14 +01:00 · 5759dc1f89
commit 5759dc1f89
--- a/book.md
+++ b/book.md
@ -2,6 +2,7 @@
 title: "Cripto libretto"
 author: Unit hacklab - unit@paranoici.org
 date: 12 dicembre 2019
+lang: it-IT
 ---

 \newpage