Little adjustments for How to Install FreePBX 15 on Debian 10 with Asterisk 16, PHP 7.3

More importantly, whether there’s something actually missing. The fact that a warning appears for my build but not for yours doesn’t make me happy, even though I don’t see any issues. There might be some use case that I haven’t hit. If you happen to figure that out, let us know. :slight_smile: