diff --git a/README.md b/README.md
index c1a80e6..3f97b88 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 ### Tiny AES128 in C
 
-This is a small and portable implementation of the AES128 ECB encryption algorithm implemented in C.
+This is a small and portable implementation of the AES128 ECB encryption algorithm implemented in C. I haven't finished the decryption part yet, but it will come.
 
 The module uses just a bit more than 200 bytes of RAM and 1K ROM when compiled for ARM (YMMV).