diff --git a/index.js b/index.js
index a97500c..77462f7 100644
--- a/index.js
+++ b/index.js
@@ -1,3 +1,4 @@
+/*! fetch-blob. MIT License. Jimmy Wärting <https://jimmy.warting.se/opensource> */
 
 // TODO (jimmywarting): in the feature use conditional loading with top level await (requires 14.x)
 // Node has recently added whatwg stream into core