Update WhyNotWin11.au3

[speedy-pc]

small spelling correction

Please describe your feature/changes on this pull:

if this pull request not a localization related, please fill and check on this below

Please Screenshot/Capture your WNW11 new feature to demonstrate:

Which your feature we're added on this pull:

• [ ] I had read the contributing guidelines
• [ ] I ensured that my code compiles, if applicable
• [ ] I ensured that my feature works properly, if applicable