diff --git a/docs/readme.txt b/docs/readme.txt
index 139cf319f..7d27028ad 100644
--- a/docs/readme.txt
+++ b/docs/readme.txt
@@ -80,6 +80,7 @@ NVIDIA GPUs require "NVIDIA Driver" (367.x or later)
 - sha1(sha1($pass))
 - sha1($salt.sha1($pass))
 - sha1(md5($pass))
+- sha1(md5(md5($pass)))
 - sha1($salt.$pass.$salt)
 - sha1(CX)
 - sha256($pass.$salt)