[Lynda] Extract course description
diff --git a/youtube_dl/extractor/lynda.py b/youtube_dl/extractor/lynda.py
index 86d47266f80..c1bca56788d 100644
--- a/youtube_dl/extractor/lynda.py
+++ b/youtube_dl/extractor/lynda.py
@@ -246,5 +246,6 @@ def _real_extract(self, url):
                 % unaccessible_videos + self._ACCOUNT_CREDENTIALS_HINT)
 
         course_title = course.get('Title')
+        course_description = course.get('Description')
 
-        return self.playlist_result(entries, course_id, course_title)
+        return self.playlist_result(entries, course_id, course_title, course_description)
