diff --git a/README.md b/README.md
index 72449cad7..ba9fec8a7 100644
--- a/README.md
+++ b/README.md
@@ -255,6 +255,7 @@ which means you can modify it, redistribute it or use it however you like.
 ## Authentication Options:
     -u, --username USERNAME          account username
     -p, --password PASSWORD          account password
+    -2, --twofactor TWOFACTOR        two-factor auth code
     -n, --netrc                      use .netrc authentication data
     --video-password PASSWORD        video password (vimeo, smotri)
 
diff --git a/youtube_dl/version.py b/youtube_dl/version.py
index a05ce2eba..5d892c2ff 100644
--- a/youtube_dl/version.py
+++ b/youtube_dl/version.py
@@ -1,2 +1,2 @@
 
-__version__ = '2014.08.24.5'
+__version__ = '2014.08.24.6'