diff --git a/README.md b/README.md
index b3d314b..af9b8d8 100644
--- a/README.md
+++ b/README.md
@@ -8,4 +8,8 @@ Flutter-Pi and Flutter-Auto (Toyotas Flutter embedder) are supported.
 Do not build the image with both selected.
 
 The first build can take long (everything gets compiled from scratch for the embedded devices architecture).
-First build on an AMD Ryzen 6800U: around 8 hours.
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+First build on an AMD Ryzen 6800U: around 8 hours.
+
+The build was only tested from a Linux device, but it uses docker to build.
+It should also work on Windows via Docker.
+An AMD64 CPU architecture is required. This will not work on Apple Silicon chips (for now).
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