release 2013.09.042013.09.04

1 files changed, 2 insertions, 1 deletions

diff --git a/README.md b/README.md
index 75068fe56..2776cb3eb 100644
--- a/README.md
+++ b/README.md
@@ -113,7 +113,8 @@ which means you can modify it, redistribute it or use it however you like.
 
 ## Video Format Options:
     -f, --format FORMAT        video format code, specifiy the order of
-                               preference using slashes: "-f 22/17/18"
+                               preference using slashes: "-f 22/17/18". "-f mp4"
+                               and "-f flv" are also supported
     --all-formats              download all available video formats
     --prefer-free-formats      prefer free video formats unless a specific one
                                is requested