diff --git a/README.md b/README.md
index 045accd49f63e63d1ae957d9e6c901ed2c3681da..93e2559a458ca5e099db03f1cce815105a8e81a5 100644
--- a/README.md
+++ b/README.md
@@ -8,8 +8,8 @@ Usage
 =====
 
 ```
-<<video(url[,width,height])>>
+{{video(url[,width,height])}}
 ```
 
 where `url` is the embedding URL for the video, and the optional `width` and
-`height` for the player size.
+`height` for the player size.  Do not use quotes to surround arguments.