diff --git a/docs/v3.md b/docs/v3.md
index f065aa58..7b7d0806 100644
--- a/docs/v3.md
+++ b/docs/v3.md
@@ -22,6 +22,8 @@
 
 If you have a kit without a metal case, you can use our free 3D printing case drawing: [v3.3](stl/v3.3/index.md){target=_blank} for the Kickstarter/Store model, [v3.2](stl/v3.2/index.md){target=_blank} for the pre-release.
 
+!!! warning "Please use the v3 image"
+
 1. **[Flash the memory card.](flashing_os.md){target=_blank}**
 
 2. **Build PiKVM** according to the video instruction: