diff --git a/manuscript/firstapp.md b/manuscript/firstapp.md
index 1924c53..ca82078 100644
--- a/manuscript/firstapp.md
+++ b/manuscript/firstapp.md
@@ -521,4 +521,3 @@ In questo capitolo abbiamo creato la nostra prima applicazione per Firefox OS e
 [10]: https://hacks.mozilla.org/2013/01/introducing-web-activities/
 [11]: https://developer.mozilla.org/en-US/docs/Web/API/Document_Object_Model/Introduction
 [12]: https://github.com/soapdog/guia-rapido-firefox-os
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