[update] Add package manager to error message (#959)

diff --git a/youtube_dl/update.py b/youtube_dl/update.py
index eab8417a50da957bf5da8c6f6d739a63599e79f6..ccab6f27f2a7c2faa7e2f1c047678ff763f62b22 100644 (file)
--- a/youtube_dl/update.py
+++ b/youtube_dl/update.py
@@ -44,7 +44,7 @@ def update_self(to_screen, verbose, filename):
 
 
     if not isinstance(globals().get('__loader__'), zipimporter) and not hasattr(sys, "frozen"):
-        to_screen(u'It looks like you installed youtube-dl with pip, setup.py or a tarball. Please use that to update.')
+        to_screen(u'It looks like you installed youtube-dl with a package manager, pip, setup.py or a tarball. Please use that to update.')
         return
 
     # Check if there is a new version