diff --git a/README.md b/README.md
index a786c81..b37b0c6 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 FileSaver.js
 ============
 
-FileSaver.js implements the W3C `saveAs()` [FileSaver][1] interface in browsers that do
+FileSaver.js implements the HTML5 W3C `saveAs()` [FileSaver][1] interface in browsers that do
 not natively support it. There is a [FileSaver.js demo][2] that demonstrates saving
 various media types.