1 files changed, 2 insertions, 1 deletions
diff --git a/README.md b/README.md
index a1d7eac6e..8e0b6e794 100644
--- a/README.md
+++ b/README.md
@@ -39,7 +39,8 @@ which means you can modify it, redistribute it or use it however you like.
                              %(autonumber)s to get an automatically incremented
                              number, %(ext)s for the filename extension,
                              %(upload_date)s for the upload date (YYYYMMDD), and
-                             %% for a literal percent
+                             %% for a literal percent. Use - to output to
+                             stdout.
     -a, --batch-file FILE    file containing URLs to download ('-' for stdin)
     -w, --no-overwrites      do not overwrite files
     -c, --continue           resume partially downloaded files