update how to get the key

Author: ranbel

src/content/docs/warp-client/get-started/linux.mdx

@@ -68,8 +68,8 @@ The Linux client supports all 1.1.1.1 for Families modes, in either WARP on DNS-
 
 To enable [WARP+ Unlimited](/warp-client/warp-modes/#warp-unlimited) on Linux, you will need an iOS or Android device that has an existing WARP+ Unlimited subscription.
 
-1. On your iOS or Android device, launch the Apple App Store or Google Play Store.
-2. Find your WARP+ subscription and copy its license key.
+1. On your iOS or Android device, launch the **1.1.1.1 Faster Internet** app.
+2. Go to **Settings** > **Account** and copy the **Key** value.
 3. On your Linux device, run the following command:
 
 	```sh