diff --git a/yt_dlp/YoutubeDL.py b/yt_dlp/YoutubeDL.py
index e0d58f0f4..78c86589b 100644
--- a/yt_dlp/YoutubeDL.py
+++ b/yt_dlp/YoutubeDL.py
@@ -3071,7 +3071,7 @@ def process_subtitles(self, video_id, normal_subtitles, automatic_captions):
                 f = formats[-1]
                 self.report_warning(
                     'No subtitle format found matching "%s" for language %s, '
-                    'using %s' % (formats_query, lang, f['ext']))
+                    'using %s. Add the --list-subs flag to see a list of available subtitle formats' % (formats_query, lang, f['ext']))
             subs[lang] = f
         return subs