diff --git a/aes.h b/aes.h
index 9f3e8ec2..8a76ca24 100644
--- a/aes.h
+++ b/aes.h
@@ -4,7 +4,8 @@
 /// \brief Class file for the AES cipher (Rijndael)
 /// \details AES is a typdef for Rijndael classes. All key sizes are supported.
 ///   The library only provides Rijndael with 128-bit blocks, and not 192-bit or 256-bit blocks
-/// \since Rijndael since Crypto++ 3.2, Intel AESNI since Crypto++ 5.6.1, ARMv8 AES since Crypto++ 6.0
+/// \since Rijndael since Crypto++ 3.2, Intel AES-NI since Crypto++ 5.6.1, ARMv8 AES since
+///   Crypto++ 6.0, Power8 AES since Crypto++ 6.0
 
 #ifndef CRYPTOPP_AES_H
 #define CRYPTOPP_AES_H