fixed help text

yt

@@ -19,6 +19,7 @@
 set -e
 
 test -z "$DEBUG" || set -x
+
 test -z "$XDG_CACHE_HOME" && cachefile="$HOME/.cache/yt.cache" \
 	|| cachefile="$XDG_CACHE_HOME/yt.cache"
 
@@ -88,7 +89,9 @@ cache() { # cache the video title for faster retrieval
 
 clone() { # clones a YouTube playlist to a file
 	test -d "$YT_PL_DIR" || mkdir -p "$YT_PL_DIR"
-	file="$YT_PL_DIR/$2.m3u"
+
+	if test -n "$2" && file="$2" \
+		|| file="$YT_PL_DIR/$('%(playlist)s' "$1").m3u"
 
 	yt-dlp --flat-playlist "$1" --print url > "$file"
 	verify "$file"
@@ -287,7 +290,7 @@ case "$com" in
 		cache "$@"
 		;;
 	clone)
-		shift 2>/dev/null || usage 'clone uri file'
+		shift 2>/dev/null || usage 'clone uri [file]'
 		clone "$@"
 		;;
 	list)
@@ -311,7 +314,7 @@ case "$com" in
 		queue "$@"
 		;;
 	search)
-		shift 2>/dev/null || usage 'search term count'
+		shift 2>/dev/null || usage 'search term [count]'
 		search "$@"
 		;;
 	verify)