diff --git a/README.md b/README.md
index 7d14380..cfffe08 100644
--- a/README.md
+++ b/README.md
@@ -20,5 +20,7 @@ For Windows 10 install also mount
 In Windows 10 partitioning wizard provide drivers from that ISO.
 Install [OpenSSH server](https://docs.microsoft.com/en-us/windows-server/administration/openssh/openssh_install_firstuse).
 Make sure OpenSSH starts during boot.
-Insert Jenkins or your favourite CI/CD software SSH public key into the image.
+Insert Jenkins or your favourite CI/CD software SSH public keys into
+`C:\ProgramData\ssh\administrators_authorized_keys` and adjust ACL-s as described
+[here](https://www.concurrency.com/blog/may-2019/key-based-authentication-for-openssh-on-windows)
 Use the resulting virtual machine disk image with this Docker image.