diff --git a/docs/readme.txt b/docs/readme.txt
index 21fec6f19..d6a47ef8e 100644
--- a/docs/readme.txt
+++ b/docs/readme.txt
@@ -98,6 +98,7 @@ NVIDIA GPUs require "NVIDIA Driver" (440.64 or later) and "CUDA Toolkit" (9.0 or
 - sha1(md5(md5($pass)))
 - sha1(sha1($pass))
 - sha1(sha1($pass).$salt)
+- sha1($salt.sha1($pass.$salt))
 - sha1(utf16le($pass).$salt)
 - sha256($pass.$salt)
 - sha256($salt.$pass)