diff --git a/pack-vid b/pack-vid
index cb2907c..14cc324 100755
--- a/pack-vid
+++ b/pack-vid
@@ -1,8 +1,10 @@
 #!/usr/bin/env php
 <?php
 
-// Squishes given video input into 4000kb .mp4
+// Squishes given video input into sub-4000kb .mp4
 // Crops to 16:9
+// Strips audio
+// HDR to SDR tonemapping
 // Picks bitrate to match
 // Picks resolution based on bitrate target
 // 2-pass encoding with libx264 veryslow
@@ -11,7 +13,7 @@ $args = $_SERVER['argv'];
 $self = array_shift( $args );
 
 if ( count ( $args ) < 2 ) {
-    die( "Usage: pack-vid.php <srcfile.mp4> <destfile.mp4>\n" );
+    die( "Usage: $self <srcfile.mp4> <destfile.mp4>\n" );
 }
 [ $src, $dest ] = $args;
 convert( $src, $dest );