docs: updated readme

README.md

@@ -4,7 +4,7 @@ Configure a virtual machine to connect to a VPN (FortiNet) through a proxy
 
 ## Requirements
 
-- `FortiClient` backup file for your user in Windows.
+- `FortiClient` backup file with `.conf` extension.
 
 ## References
 
@@ -21,8 +21,10 @@ Configure a virtual machine to connect to a VPN (FortiNet) through a proxy
 Install Vagrant in Ubuntu/Debian distros:
 
 ```sh
+# Add official repository
 wget -O - https://apt.releases.hashicorp.com/gpg | sudo gpg --dearmor -o /usr/share/keyrings/hashicorp-archive-keyring.gpg
 echo "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/hashicorp-archive-keyring.gpg] https://apt.releases.hashicorp.com $(lsb_release -cs) main" | sudo tee /etc/apt/sources.list.d/hashicorp.list
+# Install vagrant
 sudo apt update && sudo apt install vagrant
 ```
 
@@ -43,31 +45,31 @@ vagrant up
 
 Copy your `FortiClient` backup file in `./files` folder and follow these steps:
 
-- Open `FortiClient VPN` in the virtual machine. Accept the initial message
-- Click on the lock button at the top right
-- Click the gear button at the top right
-- In `System`, click the `Restore` button and select your backup file in `C:\vagrant\files` path
-- Add the backup file password and clic the `Ok` button
+- Open `FortiClient VPN` in the virtual machine. Accept the initial message.
+- Click on the `lock` button at the top right.
+- Click the `gear` button at the top right.
+- In `System`, click the `Restore` button and select your backup file in `C:\vagrant\files` path.
+- Add the backup file, the password and clic the `Ok` button.
 
 #### Enable proxy
 
 In Windows, open the `squid` program from the Windows menu. Right clicking on `Squid Server` tray icon and select the option `Open Squid Configuration`.
-Replace the file content with [this file](src/config/squid-proxy.conf)
+Replace the file content with [this file](src/config/squid-proxy.conf).
 
-> **NOTE:** Change your local network value in the file
+> **NOTE:** Change your local network value in `squid-proxy.conf` file
 
-Then, restart the `squid` service. Now, you can add the proxy url in your host!
+Then, restart the `squid` service.
 
-##### Add proxy in host
+#### Add proxy in host
+
+Test your proxy with `curl`:
 
 ```sh
-# Add parameters
-PROXY_ADDRESS=windows-vpn
-PROXY_PORT=3128
-# Test the proxy
-curl -x http://$PROXY_ADDRESS:$PROXY_PORT -I http://www.google.com
+curl -x http://windows-vpn:3128 -I http://www.google.com
 ```
 
+Add the proxy `windows-vpn:3128` in your network settings or web browser.
+
 ## Useful commands
 
 ```sh