diff --git a/README.md b/README.md
index 27d482b..dac81b5 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # monkeysucker
 
-This tool converts WriteMonkey 3 sheet files into markdown files.
+This tool converts [WriteMonkey 3](https://github.com/writemonkey/wm3/) sheet files into markdown files.
 
 ## Where the database files live