diff --git a/docs.it4i/get-started-with-it4innovations/accessing-the-clusters/shell-access-and-data-transfer/putty.md b/docs.it4i/get-started-with-it4innovations/accessing-the-clusters/shell-access-and-data-transfer/putty.md
index 352165097d8d405281e8f67862f40e5074dd2881..394184946dce39df963d18d64997f355843c7ebe 100644
--- a/docs.it4i/get-started-with-it4innovations/accessing-the-clusters/shell-access-and-data-transfer/putty.md
+++ b/docs.it4i/get-started-with-it4innovations/accessing-the-clusters/shell-access-and-data-transfer/putty.md
@@ -1,8 +1,4 @@
-PuTTY
-=====
-
-!!! Note "Note"
-	PuTTY -  before we start SSH connection
+# PuTTY (Windows)
 
 Windows PuTTY Installer
 -----------------------
diff --git a/docs.it4i/get-started-with-it4innovations/accessing-the-clusters/shell-access-and-data-transfer/ssh-keys.md b/docs.it4i/get-started-with-it4innovations/accessing-the-clusters/shell-access-and-data-transfer/ssh-keys.md
index ba5c29fdbe097438b4cc4eb158422c8fb8ec4137..9cb17c16b47f81a0e7022acbc48128e1b3acc51c 100644
--- a/docs.it4i/get-started-with-it4innovations/accessing-the-clusters/shell-access-and-data-transfer/ssh-keys.md
+++ b/docs.it4i/get-started-with-it4innovations/accessing-the-clusters/shell-access-and-data-transfer/ssh-keys.md
@@ -1,8 +1,6 @@
-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:
 
diff --git a/mkdocs.yml b/mkdocs.yml
index aa778d0f7e64aaea5da57f5e0c0a63920e17a9cd..2339be1ee28ca0171cf46bde3b8c436f01060d96 100644
--- a/mkdocs.yml
+++ b/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