diff --git a/README.md b/README.md
index 49f370c..6ce8ce3 100644
--- a/README.md
+++ b/README.md
@@ -20,6 +20,8 @@ based on [Leaflet](https://leafletjs.com/). The map renderer is heavily inspired
 [MapRend](https://github.com/YSelfTool/MapRend), but has been reimplemented from scratch
 (first in C++, now in Rust) for highest performance.
 
+Demo: https://neocturne.github.io/MinedMap/
+
 ## How to use
 
 Download the binary release that matches your platform from the Github release
@@ -30,8 +32,8 @@ on a web server. The image data generated by MinedMap will be stored in the
 `data` subdirectory of the extracted viewer.
 
 Minecraft stores its save data in a directory `~/.minecraft/saves` on Linux,
-and `C:\Users\<username>\AppData\Roaming\.minecraft\saves`. To generate MinedMap
-tile data from a save game called "World", use the a command like the following
+and `C:\Users\<username>\AppData\Roaming\.minecraft\saves` on Windows. To generate
+MinedMap tile data from a save game called "World", use the a command like the following
 (replacing the first argument with the path to your save data; `<viewer>` refers
 to the directory where you unpacked the MinedMap viewer):
 ```shell