diff --git a/pack-vid b/pack-vid
index e6eda5d..edfcc5d 100755
--- a/pack-vid
+++ b/pack-vid
@@ -37,7 +37,7 @@ $options = [
     'crop-left' => false,
     'crop-top' => false,
     'tonemap' => 'hable',
-    'colortemperature' => false,
+    'color-temperature' => false,
 ];
 
 while ( count( $args ) > 0 && substr( $args[0], 0, 2 ) == '--' ) {
@@ -69,7 +69,8 @@ if ( count ( $args ) < 2 ) {
         "  --width=n        override frame width in pixels\n" .
         "  --height=n       override frame height in pixels\n" .
         "  --keyframe-int=n set keyframe interval (default 0)\n" .
-        "  --tonemap=mode   set HDR tone mapping mode (hable, clip, etc)\n"
+        "  --tonemap=mode   set HDR tone mapping mode (hable, clip, etc)\n" .
+        "  --color-temperature=n adjust color temp va 6500K\n"
     );
 }
 [ $src, $dest ] = $args;
@@ -340,7 +341,7 @@ function convert( $src, $dest, $options ) {
         if ( $exposure ) {
             $filters[] = "exposure=$exposure";
         }
-        $colortemperature = $options['colortemperature'];
+        $colortemperature = $options['color-temperature'];
         if ( $colortemperature ) {
             $filters[] = "colortemperature=$colortemperature";
         }