docs(local): update subject adding utm VM link

- add minor style fixes

subjects/cybersecurity/local/README.md

@@ -7,14 +7,14 @@ You have to install it locally in VirtualBox And then found a way to go inside i
 There will be no visible IP address, you must find a way to get it.
 You have to become root and get the flag.
 
-- [01-Local1.ova](https://assets.01-edu.org/cybersecurity/local/01-Local.ova)
+- [01-Local1.ova](https://assets.01-edu.org/cybersecurity/local/01-Local.ova) or [01-Local1.utm.zip](https://assets.01-edu.org/cybersecurity/local/01-Local1.utm.zip)
 - SHA1: f3422f3364fd38e8183740f8f57fa951d3f6e0bf
 
 - The modification in GRUB or in the VM to get the root access is forbidden!
 
 ### Advice
 
-https://en.wikipedia.org/wiki/Privilege_escalation
+Read about [privilege escalation](https://en.wikipedia.org/wiki/Privilege_escalation).
 
 ### Submission and audit
 
@@ -22,8 +22,8 @@ https://en.wikipedia.org/wiki/Privilege_escalation
 
 Files that must be inside your repository:
 
-- a README.md file, Which explains all the steps you went through in order to reach root access.
+- A README.md file, Which explains all the steps you went through in order to reach root access.
 
-Don’t hesitate to double check the names of your folders and files to ensure they are correct!
+Don’t hesitate to double-check the names of your folders and files to ensure they are correct!
 
 > ⚠️ These methods and tools are for educational purposes only, so that you have a better understanding of how to protect against similar vulnerabilities. You must ensure that you do not attempt any exploit-type activity without the explicit permission of the owner of the machine, system or application. Failure to obtain permission risks breaking the law.