diff --git a/apdu/apdu.go b/apdu/apdu.go
new file mode 100644
index 0000000..2328e52
--- /dev/null
+++ b/apdu/apdu.go
@@ -0,0 +1,3 @@
+// Package apdu implements parsing and conversion of Application Protocol Data Units (APDU) which is the communication format between a card and off-card applications.
+
+package apdu