diff --git a/wp-includes/class-oembed.php b/wp-includes/class-oembed.php
index b039dc89e..cee1a1568 100644
--- a/wp-includes/class-oembed.php
+++ b/wp-includes/class-oembed.php
@@ -35,19 +35,20 @@ class WP_oEmbed {
 	function __construct() {
 		// List out some popular sites that support oEmbed.
 		// The WP_Embed class disables discovery for non-unfiltered_html users, so only providers in this array will be used for them.
-		// Add to this list using the wp_oembed_add_provider() function
+		// Add to this list using the wp_oembed_add_provider() function (see it's PHPDoc for details).
 		$this->providers = apply_filters( 'oembed_providers', array(
 			'#http://(www\.)?youtube.com/watch.*#i' => array( 'http://www.youtube.com/oembed',            true  ),
 			'http://blip.tv/file/*'                 => array( 'http://blip.tv/oembed/',                   false ),
 			'#http://(www\.)?vimeo\.com/.*#i'       => array( 'http://www.vimeo.com/api/oembed.{format}', true  ),
-			'#http://(www\.)?flickr.com/.*#i'       => array( 'http://www.flickr.com/services/oembed/',   true ),
-			'#http://(www\.)?hulu.com/watch/.*#i'   => array( 'http://www.hulu.com/api/oembed.{format}',  true ),
-			'#http://(www\.)?viddler.com/.*#i'      => array( 'http://lab.viddler.com/services/oembed/',  true ),
+			'#http://(www\.)?flickr.com/.*#i'       => array( 'http://www.flickr.com/services/oembed/',   true  ),
+			'#http://(www\.)?hulu.com/watch/.*#i'   => array( 'http://www.hulu.com/api/oembed.{format}',  true  ),
+			'#http://(www\.)?viddler.com/.*#i'      => array( 'http://lab.viddler.com/services/oembed/',  true  ),
 			'http://qik.com/*'                      => array( 'http://qik.com/api/oembed.{format}',       false ),
 			'http://revision3.com/*'                => array( 'http://revision3.com/api/oembed/',         false ),
 			'http://i*.photobucket.com/albums/*'    => array( 'http://photobucket.com/oembed',            false ),
 			'http://gi*.photobucket.com/groups/*'   => array( 'http://photobucket.com/oembed',            false ),
-			'#http://(www\.)?scribd.com/.*#i'       => array( 'http://www.scribd.com/services/oembed',    true ),
+			'#http://(www\.)?scribd.com/.*#i'       => array( 'http://www.scribd.com/services/oembed',    true  ),
+			'http://wordpress.tv/*'                 => array( 'http://wordpress.tv/oembed/',              false ),
 		) );
 
 		// Fix Scribd embeds. They contain new lines in the middle of the HTML which breaks wpautop().