[gnome-build-meta] Update Bootable images in virtual machines

[Javier Jardón Cabezas <jjardon src gnome org>]

commit 703dc9120691993634e021588dc0b652040c660b
Author: Javier Jardón Cabezas <javierjc1982 gmail com>
Date:   Fri Sep 18 08:13:36 2020 +0000

    Update Bootable images in virtual machines

 Bootable-images-in-virtual-machines.md | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/Bootable-images-in-virtual-machines.md b/Bootable-images-in-virtual-machines.md
index b5773dd..c70cb35 100644
--- a/Bootable-images-in-virtual-machines.md
+++ b/Bootable-images-in-virtual-machines.md
@@ -2,9 +2,9 @@
 
 ## Building the installer
 
-Note: the installer is not yet merged in master.
+Build `iso/image.bst`. Its artifact will contain `installer.iso`
 
-Build `iso/image.bst`. Its artifact will contain `installer.iso`.
+You will need to install BuildStream for this, check instructions at https://buildstream.build/install.html
 
 ```
 bst build iso/image.bst