diff --git a/Liquid-for-Designers.textile b/Liquid-for-Designers.textile
index 3e6f845..5b28f36 100644
--- a/Liquid-for-Designers.textile
+++ b/Liquid-for-Designers.textile
@@ -53,6 +53,7 @@ h3. Standard Filters
 * **size** - return the size of an array or string
 * **escape** - escape a string
 * **escape_once** - returns an escaped version of html without affecting existing escaped entities
+* **urlencode** encode string for use in a url
 * **strip_html** - strip html from string
 * **strip_newlines** - strip all newlines (\n) from string
 * **newline_to_br** - replace each newline (\n) with html break