diff --git a/README.md b/README.md
index 0315202..3786e9a 100644
--- a/README.md
+++ b/README.md
@@ -43,6 +43,20 @@ The user will initially see "a few seconds ago", and about a minute
 after the span will automatically update with the text "a minute ago",
 etc.
 
+amDateFormat filter
+----
+
+Format dates using moment.js format() method. Example:
+
+```html
+<span>{{message.time | amDateFormat:'dddd, MMMM Do YYYY, h:mm:ss a'}}</span>
+```
+
+This snippet will format the given time as "Monday, October 7th 2013, 12:36:29 am".
+
+For more information about Moment.JS formatting options, see the
+[docs for the format() function](http://momentjs.com/docs/#/displaying/format/).
+
 License
 ----