Doc-it: fix error of translation

diff --git a/Documentation/it/usage/lilypond-book.itely b/Documentation/it/usage/lilypond-book.itely
index 420777e3cd6810a5c4840d74e06660b607b7a4d9..ce0aea77ee88fee55bed3529e62620d904e85dbe 100644 (file)
--- a/Documentation/it/usage/lilypond-book.itely
+++ b/Documentation/it/usage/lilypond-book.itely
@@ -142,8 +142,8 @@ tutorial.
 
 @subheading Output
 
-I documenti per \verb+lilypond-book+ possono combinare liberamente musica e testo.
-Ad esempio,
+I documenti per @command{lilypond-book} possono combinare liberamente musica
+e testo.  Ad esempio,
 
 @lilypond
 \relative {