diff --git a/README.md b/README.md
index 9b4a6ba..bf46bbd 100644
--- a/README.md
+++ b/README.md
@@ -3,14 +3,22 @@ reskit
 
 ***INCOMPLETE***
 
-Resource kit for the Sega Genesis/Megadrive.
+Resource kit for the Sega Genesis/Megadrive. Converts tilesets and soundtracks for use in custom Sega Megadrive game engines.
 
-# Convert PNG to tile + palette set
+# Tileset Tool
 ```
 reskit tileset --input file.png --output file.bin --format bin
 ```
+
 The file format will contain the palette required by the image, followed by the image.
 
 ## Caveats
 * Image dimensions that are not a multiple of 8 will be rounded up to the nearest multiple of 8.
-* Input images containing more than 15 colours will not be converted and will throw an error.
\ No newline at end of file
+* Input images containing more than 15 colours will not be converted and will throw an error.
+
+# Soundtrack Tool
+```
+reskit soundtrack --input song.dmf --output song.bin --format esf
+```
+
+The file format will contain the instrument definitions, followed by waveform samples, followed by an Echo Stream Format (ESF) stream.