diff --git a/borrador.md b/borrador.md
index f95e697..25f9b88 100644
--- a/borrador.md
+++ b/borrador.md
@@ -93,7 +93,7 @@ Lo que verá inicialmente unx usuarix antes de acceder a la aplicación web algo
 
 
 ![Mockup de pantalla de
-login/registro](./images/mockup.pdf){#fig:mockup width="40%"}
+login/registro](./images/mockup.png){#fig:mockup width="40%"}
 
 Base de datos 
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diff --git a/images/mockup.pdf b/images/mockup.pdf
deleted file mode 100644
index d611082..0000000
Binary files a/images/mockup.pdf and /dev/null differ
diff --git a/images/mockup.png b/images/mockup.png
new file mode 100644
index 0000000..f6b546c
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