diff --git a/README.md b/README.md
index f0805870f442d90dd30b201a508367db1f11ce06..c055539d2c85ec5e814b3a6c670a9a6515d1f9d1 100644
--- a/README.md
+++ b/README.md
@@ -47,4 +47,4 @@ Contributions are always welcome! Fork the repo to another git service, make you
 - KoReader Sync Server: https://github.com/koreader/koreader-sync-server/ (AGPL 3.0)
 - PDF.js: https://mozilla.github.io/pdf.js/ (Apache 2.0)
 - JSZip: https://stuk.github.io/jszip/ (MIT or GPLv3)
-- EPUB.js: https://github.com/futurepress/epub.js (Copyright)
+- EPUB.js: https://github.com/futurepress/epub.js (BSD)