diff --git a/README.md b/README.md
index bb1e28e..be5f347 100644
--- a/README.md
+++ b/README.md
@@ -58,6 +58,8 @@ This implementation is verified against the data in:
 
 [National Institute of Standards and Technology Special Publication 800-38A 2001 ED](http://nvlpubs.nist.gov/nistpubs/Legacy/SP/nistspecialpublication800-38a.pdf) Appendix F: Example Vectors for Modes of Operation of the AES.
 
+The other appendices in the document are valuable for implementation details on e.g. padding, generation of IVs and nonces in CTR-mode etc.
+
 
 A heartfelt thank-you to all the nice people out there who have contributed to this project.