diff --git a/test/test_InfoExtractor.py b/test/test_InfoExtractor.py
index e58452ab5..8a372d2c9 100644
--- a/test/test_InfoExtractor.py
+++ b/test/test_InfoExtractor.py
@@ -563,6 +563,7 @@ jwplayer("mediaplayer").setup({"abouttext":"Visit Indie DB","aboutlink":"http:\/
                     'height': 1080,
                 }]
             ), (
+                # https://github.com/rg3/youtube-dl/pull/14844
                 'urls_only',
                 'http://unknown/manifest.mpd',
                 [{
diff --git a/youtube_dl/extractor/common.py b/youtube_dl/extractor/common.py
index 3baf683d8..80a9c982f 100644
--- a/youtube_dl/extractor/common.py
+++ b/youtube_dl/extractor/common.py
@@ -1978,6 +1978,7 @@ class InfoExtractor(object):
                         elif 'segment_urls' in representation_ms_info:
                             # Segment URLs with no SegmentTimeline
                             # Example: https://www.seznam.cz/zpravy/clanek/cesko-zasahne-vitr-o-sile-vichrice-muze-byt-i-zivotu-nebezpecny-39091
+                            # https://github.com/rg3/youtube-dl/pull/14844
                             fragments = []
                             segment_duration = float_or_none(
                                 representation_ms_info['segment_duration'],