diff --git a/src/dom/selector.js b/src/dom/selector.js
index c327603..397f45f 100644
--- a/src/dom/selector.js
+++ b/src/dom/selector.js
@@ -42,10 +42,10 @@ window.$$ = function() {
 // Implementation provided by selector engine.
 
 /**
- *  Prototype.Selector.find(elements, expression[, index]) -> Element
+ *  Prototype.Selector.find(elements, expression[, index = 0]) -> Element
  *  - elements (Enumerable): a collection of DOM elements.
  *  - expression (String): A CSS selector.
- #  - index: Numeric index of the match to return, or 0 if omitted.
+ *  - index: Numeric index of the match to return, defaults to 0.
  *
  *  Filters the given collection of elements with `expression` and returns the
  *  first matching element (or the `index`th matching element if `index` is