diff --git a/source/Ox/js/Function.js b/source/Ox/js/Function.js
index aa49b013..5d2a41d1 100644
--- a/source/Ox/js/Function.js
+++ b/source/Ox/js/Function.js
@@ -115,7 +115,7 @@ Ox.noop = function() {
 
 /*@
 Ox.once <f> Runs a function once, and then never again
-    (fn[, ms]) -> <f> Function that will run only once
+    (fn) -> <f> Function that will run only once
     fn <f> Function to run once
 @*/
 Ox.once = function(fn) {