diff --git a/ssh.exe-examples.md b/ssh.exe-examples.md
index e4c0591..9698b94 100644
--- a/ssh.exe-examples.md
+++ b/ssh.exe-examples.md
@@ -13,7 +13,7 @@
 ***
 1. Copy `id_rsa.pub` (client's public key) to corresponding user's directory on ssh server machine
      * as `%systemdrive%\users\<user>\.ssh\authorized_keys` (path on the ssh server machine)
-2. Make sure the authorized_keys file is [secured](https://github.com/PowerShell/Win32-OpenSSH/wiki/Security-protection-of-various-files-in-win32-openssh)
+2. Make sure the authorized_keys file is [secured][Secure file] and "NT Service\sshd" has Read access to it
 ```   
    $authorizedKeyPath = "%systemdrive%\users\<user>\.ssh\authorized_keys"
    $acl = get-acl $authorizedKeyPath
@@ -27,10 +27,11 @@
 
 1. Generate a key pair on the client:
      * `ssh-keygen -t rsa -f id_rsa`
-2. Register [secured](https://github.com/PowerShell/Win32-OpenSSH/wiki/Security-protection-of-various-files-in-win32-openssh) private key with ssh-agent (for single sign-on experience)
+     * if existing key pair generated by ssh-keygen.exe before build [v0.0.13.0][build13] are used, make sure they are [secured][Secure file].
+2. Register [secured][Secure file] private key with ssh-agent (for single sign-on experience)
      * `net start ssh-agent`
      * `ssh-add id_rsa` 
-3. Login using [secured](https://github.com/PowerShell/Win32-OpenSSH/wiki/Security-protection-of-various-files-in-win32-openssh) private key.
+3. Login using [secured][Secure file] private key.
      * `ssh -i .\id_rsa user@host` (work group user)
      * `ssh -i .\id_rsa -l user@domain host` (domain user)
 
@@ -38,4 +39,7 @@
 
 ##### For Unix and Linux users
 
-The [Modern Unix Rosetta Stone](https://certsimple.com/rosetta-stone) includes Powershell examples of common Unix and Linux commands. 
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+The [Modern Unix Rosetta Stone](https://certsimple.com/rosetta-stone) includes Powershell examples of common Unix and Linux commands. 
+
+[Secure file]: https://github.com/PowerShell/Win32-OpenSSH/wiki/Security-protection-of-various-files-in-win32-openssh
+[build13]: https://github.com/PowerShell/Win32-OpenSSH/releases/tag/v0.0.13.0
\ No newline at end of file