diff --git a/README.md b/README.md
index fbe8b87e..8654e204 100644
--- a/README.md
+++ b/README.md
@@ -8,6 +8,13 @@
 * Measure distances between two points
 * Custom client-side markers
 
+## Documentation
+### Making usable map assets
+Since we're not using earth maps, we need to build one compatible with Leaflet. I used Zoomify to generate usable tile data from my SVG maps. I don't know if this will fit your use case ; if you use something else, you can contact me !
+
+> [!IMPORTANT]
+> As of writing this, it appears Zoomify Unlimited Converter (which is what I used) is not available on Linux or for download anymore
+
 ## Contributing
 I'm not currently accepting pull-requests for this project, but if you have a suggestion, feel free to contact me !