diff --git a/README.md b/README.md
index c57cd46..07f183f 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@ The metadata library
 A pure OCaml library to read metadata from various formats. For now, are
 supported:
 
-- audio formats: ID3v1 and ID3v2 (for mp3), ogg/vorbis, ogg/opus and flac
+- audio formats: ID3v1 and ID3v2 (for mp3), ogg/vorbis, ogg/opus, flac and wav
 - image formats: jpeg and png
 - video formats: mp4 and avi