Update README with newly added arg

README.md

@@ -166,16 +166,16 @@ usage: ytmdl [-h] [-q] [-o OUTPUT_DIR] [--song SONG-METADATA]
              [--list PATH TO LIST] [--nolocal] [--format FORMAT] [--trim]
              [--version] [--keep-chapter-name] [--download-archive FILE]
              [--ignore-chapters] [--ytdl-config PATH] [--dont-transcode]
-             [--pl-start NUMBER] [--pl-end NUMBER] [--pl-items ITEM_SPEC]
-             [--ignore-errors] [--title-as-name] [--level LEVEL]
-             [--disable-file] [--list-level]
-             [SONG_NAME ...]
+             [--filename NAME] [--pl-start NUMBER] [--pl-end NUMBER]
+             [--pl-items ITEM_SPEC] [--ignore-errors] [--title-as-name]
+             [--level LEVEL] [--disable-file] [--list-level]
+             [SONG_NAME [SONG_NAME ...]]
 
 positional arguments:
   SONG_NAME             Name of the song to download. Can be an URL to a
                         playlist as well. It will be automatically recognized.
 
-options:
+optional arguments:
   -h, --help            show this help message and exit
   -q, --quiet           Don't ask the user to select songs if more than one
                         search result. The first result in each case will be
@@ -216,6 +216,9 @@ options:
                         directory
   --dont-transcode      Don't transcode the audio after downloading.
                         Applicable for OPUS format only. (Default: false)
+  --filename NAME       Final filename after the song is ready to be used.
+                        This will be given priority over automatic detection
+                        unless dynamic filename path is set through config
 
 Metadata:
   --song SONG-METADATA  The song to search in Metadata. Particularly useful