diff --git a/README.md b/README.md
index 292f76c..d029736 100644
--- a/README.md
+++ b/README.md
@@ -29,6 +29,7 @@ Audio format detection library for PHP.
 * **AIFF** (Audio Interchange File Format)
 * **CAF** (Apple Core Audio File)
 * **AAC** (Advanced Audio Coding)
+* **WMA** (Windows Media Audio)
 
 ## Requirements