From 2ec5484a0d04905283a990caac7208e9e44041f7 Mon Sep 17 00:00:00 2001
From: etkaar <40885610+etkaar@users.noreply.github.com>
Date: Sat, 25 Mar 2023 14:33:27 +0100
Subject: [PATCH] Update building_os.md (#969)

---
 docs/building_os.md | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/docs/building_os.md b/docs/building_os.md
index a09d4d48..55cea189 100644
--- a/docs/building_os.md
+++ b/docs/building_os.md
@@ -84,10 +84,12 @@ Docker must be enabled in privileged mode.
         [user@localhost os]$ make install
         ```
 
-    * Make the image to copy elsewhere and burn on to SD card:
+    * Or make the image only. You can then later burn it on an SD card (e.g. using the Raspberry Pi Imager, see article [Flashing the OS image](https://docs.pikvm.org/flashing_os/#flash-the-image)):
 
         ```shell
         [user@localhost os]$ make image
         ```
 
         Image is then available as a bziped file in `images/`.
+        
+!!! note "On a system where `sudo` is unavailable, you can use `make SUDO= image`."