1 files changed, 1 insertions, 0 deletions

diff --git a/README.md b/README.md
index 5130f8a..965e4cc 100644
--- a/README.md
+++ b/README.md
@@ -98,6 +98,7 @@ these specifiers:
 * *%t*: title
 * *%a*: artist
 * *%A*: album
+* *%d*: duration
 
 Artwork
 -------