diff --git a/youtube_dl/extractor/peertube.py b/youtube_dl/extractor/peertube.py
index 179fdef00..252295f97 100644
--- a/youtube_dl/extractor/peertube.py
+++ b/youtube_dl/extractor/peertube.py
@@ -442,7 +442,7 @@ class PeerTubeIE(InfoExtractor):
             'view_count': int,
             'like_count': int,
             'dislike_count': int,
-            'tags': ["framasoft","peertube"],
+            'tags': ["framasoft", "peertube"],
             'categories': ["Science & Technology"],
         }
     }, {