diff --git a/README b/README
index 6f0d206b25c97cde20cd4da112a7ec9b13d59453..4ad6d46a22ef12cf862a805b0d93d708a727389a 100644
--- a/README
+++ b/README
@@ -1 +1,6 @@
-This is a cython wrapper for tinydtls, for more info see https://projects.eclipse.org/projects/iot.tinydtls
+This is a cython wrapper for tinydtls.
+
+It currently implements a socket like Interface with sendmsg and readmsg.
+All other calls are passt to the underlying socket.
+
+For more info of tinydtls see https://projects.eclipse.org/projects/iot.tinydtls