Corrections to ssh info

docs.it4i/get-started-with-it4innovations/accessing-the-clusters/shell-access-and-data-transfer/putty.md

-PuTTY
-=====
-
-!!! Note "Note"
-	PuTTY -  before we start SSH connection
+# PuTTY (Windows)
 
 Windows PuTTY Installer
 -----------------------

docs.it4i/get-started-with-it4innovations/accessing-the-clusters/shell-access-and-data-transfer/ssh-keys.md

-SSH keys
-========
+# OpenSSH Keys (UN\*X)
 
-Key management
---------------
+## Key management
 
 After logging in, you can see .ssh/ directory with SSH keys and authorized_keys file:
 
@@ -18,8 +16,8 @@ After logging in, you can see .ssh/ directory with SSH keys and authorized_keys
     -rw-r--r-- 1 username username  392 May 21  2014 id_rsa.pub
 ```
 
-!!! Note "Note"
-    Please note that private keys in .ssh directory are without passphrase and allow you to connect within the cluster.
+!!! Hint
+    Private keys in .ssh directory are without passphrase and allow you to connect within the cluster.
 
 Access privileges on .ssh folder
 --------------------------------
@@ -44,7 +42,7 @@ Private key
 !!! Note "Note"
     The path to a private key is usually /home/username/.ssh/
 
-Private key file in "id_rsa" or `"*.ppk" `format is used to authenticate with the servers. Private key is present locally on local side and used for example in SSH agent Pageant (for Windows users). The private key should always be kept in a safe place.
+Private key file in "id_rsa" or `*.ppk` format is used to authenticate with the servers. Private key is present locally on local side and used for example in SSH agent Pageant (for Windows users). The private key should always be kept in a safe place.
 
 An example of private key format:
 

mkdocs.yml

@@ -21,9 +21,9 @@ pages:
     - Obtaining Login Credentials: get-started-with-it4innovations/obtaining-login-credentials/obtaining-login-credentials.md
     - Certificates FAQ: get-started-with-it4innovations/obtaining-login-credentials/certificates-faq.md
     - Accessing the Clusters:
-      - Introduction: get-started-with-it4innovations/accessing-the-clusters/introduction.md
-      - SSH Keys: get-started-with-it4innovations/accessing-the-clusters/shell-access-and-data-transfer/ssh-keys.md
-      - PuTTY: get-started-with-it4innovations/accessing-the-clusters/shell-access-and-data-transfer/putty.md
+      #- Introduction: get-started-with-it4innovations/accessing-the-clusters/introduction.md
+      - OpenSSH Keys (UN*X): get-started-with-it4innovations/accessing-the-clusters/shell-access-and-data-transfer/ssh-keys.md
+      - PuTTY (Windows): get-started-with-it4innovations/accessing-the-clusters/shell-access-and-data-transfer/putty.md
       - X Window System: get-started-with-it4innovations/accessing-the-clusters/graphical-user-interface/x-window-system.md
       - X Window System Using Cygwin: get-started-with-it4innovations/accessing-the-clusters/graphical-user-interface/cygwin-and-x11-forwarding.md
       - VNC: get-started-with-it4innovations/accessing-the-clusters/graphical-user-interface/vnc.md