diff --git a/dl.ps1 b/dl.ps1
index 0bbf53f..fa56583 100644
--- a/dl.ps1
+++ b/dl.ps1
@@ -1,18 +1,22 @@
 param(
-  $url = "",
-  $out = "~/Videos/Downloads/",
-  $namepattern = "%(title)s.%(ext)s"
+  [string]$url = "",
+  [validatescript({ Test-Path $_ -PathType Container })]
+  [system.io.fileinfo]$out = "~/Videos/Downloads/",
+  [string]$namepattern = "%(title)s",
+  [int]$wait = 60 * 10
 )
 
-$ytdlp_options = "--live-from-start --wait-for-video 3600 --sponsorblock-remove all --output $out$namepattern $url"
+$ytdlp_options = "--live-from-start --sponsorblock-remove all"
+$ytdlp_options += " --wait-for-video $wait"
+$ytdlp_options += " --output $out$namepattern.%(ext)s"
 
 if ($url) {
-  Start-Process yt-dlp -ArgumentList $ytdlp_options
+  Start-Process yt-dlp -ArgumentList "$ytdlp_options $url"
 }
 else {
   while ($true) {
     $url = Read-host “URL”
     if (!$url) { break }
-    Start-Process yt-dlp -ArgumentList $ytdlp_options
+    Start-Process yt-dlp -ArgumentList "$ytdlp_options $url"
   }
 }