fix: Fix Flatpak typo (#196)

Change from Flatpack to Flatpak (flatpak.org)

Author: bl4ckswordsman

content/docs/faq.mdx

@@ -135,7 +135,7 @@ Some users encounter the bug where websites are partially transparent, to resolv
 
 Some users may encounter a bug where themes are broken, to resolve it to follow the steps below:
 
-1. Go to your profiles folder (Linux: `~/.zen/` or Flatpack: `~/.var/app/app.zen_browser.zen/zen/`, Windows: `%APPDATA%/zen/Profiles`)
+1. Go to your profiles folder (Linux: `~/.zen/` or Flatpak: `~/.var/app/app.zen_browser.zen/zen/`, Windows: `%APPDATA%/zen/Profiles`)
 2. Go into the folder of the profile you are using (e.g. with the (release) suffix)
 3. Delete (or edit) the zen-themes.json file and restart the browser.