diff --git a/README.md b/README.md
index a9e73aa..b4e4ed4 100644
--- a/README.md
+++ b/README.md
@@ -1,14 +1,15 @@
-# MP3/MP4/FLAC metadata parsing library
+# MP3/MP4/OGG/FLAC metadata parsing library
 [![Build Status](https://travis-ci.org/dhowden/tag.svg?branch=master)](https://travis-ci.org/dhowden/tag)
 [![GoDoc](https://godoc.org/github.com/dhowden/tag?status.svg)](https://godoc.org/github.com/dhowden/tag)
 
-This package provides MP3 (ID3v1,2.{2,3,4}) and MP4 (ACC, M4A, ALAC) and FLAC metadata detection, parsing and artwork extraction.
+This package provides MP3 (ID3v1,2.{2,3,4}) and MP4 (ACC, M4A, ALAC), OGG and FLAC metadata detection, parsing and artwork extraction.
 
 Parsed metadata is exported via a single interface (giving a consistent API for all supported metadata formats).
 
     // Metadata is an interface which is used to describe metadata retrieved by this package.
     type Metadata interface {
     	Format() Format
+    	FileType() FileType
 
     	Title() string
     	Album() string