It’s markdown, you should be able to indent your lines by 4 spaces or fence with triple backtics to get code blocks. Your client’s editor may have a button to help

```
$file = Get-Content -Path .\individuals2.txt

foreach ($line in $file)
{
    Copy-Item -Path .\template.docx -Destination ".\$(2 + $line + '.docs')"
}
```

Becomes

$file = Get-Content -Path .\individuals2.txt

foreach ($line in $file)
{
    Copy-Item -Path .\template.docx -Destination ".\$(2 + $line + '.docs')"
}