diff --git a/README.adoc b/README.adoc
index af39b604..be486dd3 100644
--- a/README.adoc
+++ b/README.adoc
@@ -26,7 +26,7 @@ signatures::
   `ssh-rsa`, `ssh-dss`
 
 mac::
-  `hmac-md5`, `hmac-md5-96`, `hmac-sha1`, `hmac-sha1-96`
+  `hmac-md5`, `hmac-md5-96`, `hmac-sha1`, `hmac-sha1-96`, `hmac-sha2-256`, `hmac-sha2-512`
 
 compression::
   `zlib` and `zlib@openssh.com` (delayed zlib)