diff --git a/Using-the-Soundtrack-Tool.md b/Using-the-Soundtrack-Tool.md
index 086ac46..f280326 100644
--- a/Using-the-Soundtrack-Tool.md
+++ b/Using-the-Soundtrack-Tool.md
@@ -1,6 +1,6 @@
 # Soundtrack Tool
 
-This tool converts a tracker module (e.g. Deflemask) into a format that can be played on-console, usually with a sound driver (e.g. Echo Sound Engine).
+This tool converts a tracker module (e.g. Deflemask) into a format that can be played on-console, usually with a sound driver (e.g. Echo Sound Engine). If you are familiar with [`dmf2esf`](https://github.com/BigEvilCorporation/dmf2esf), this utility is a rewrite which supports the newer version(s) of Deflemask DMF format, as well as some extra effects like portamentos.
 
 ## Important Notes
 `soundtrack` is in daily active development and _will_ break if you use it.  The current version is provided for experimental and informational purposes only.