diff --git a/zfs-check.md b/zfs-check.md
index 0493604..4a11c03 100644
--- a/zfs-check.md
+++ b/zfs-check.md
@@ -1,5 +1,7 @@
 # Checking backups with zfs-check
 
+Note: This tool is part of zfs-autobackup v3.2-alpha2 and higher. Get it with `pip install zfs-autobackup --pre --upgrade`
+
 ## What does it do?
 
 zfs-check is a tool to generate checksum streams from a zfs datasets. (it also can be used on regular block devices and files)