diff --git a/README.md b/README.md
index 98b661a..c4b58a0 100644
--- a/README.md
+++ b/README.md
@@ -178,6 +178,7 @@ Manifest {
 
 * [EXT-X-MEDIA](http://tools.ietf.org/html/draft-pantos-http-live-streaming#section-4.3.4.1)
 * [EXT-X-STREAM-INF](http://tools.ietf.org/html/draft-pantos-http-live-streaming#section-4.3.4.2)
+* [EXT-X-CONTENT-STEERING](https://datatracker.ietf.org/doc/html/draft-pantos-hls-rfc8216bis#section-4.4.6.6)
 
 ### Experimental Tags