diff --git a/SSH.md b/SSH.md
index fc5417a..f83a6aa 100644
--- a/SSH.md
+++ b/SSH.md
@@ -1,6 +1,8 @@
 The tips below provide configuration details for accessing remote files over SSH.
 
-## System user
+## Linux
+
+### System user
 
 1. `useradd -m nexy` - create new system user with its home directory
 2. `passwd nexy` - provide strong password
@@ -8,7 +10,7 @@ The tips below provide configuration details for accessing remote files over SSH
 4. `cd` - navigate to the home folder
 5. `mkdir /home/nexy/public` - create location for the public fies
 
-## Firewall
+### Firewall
 
 Don't forget to open the SSH port to access your server remotely: