document the default user-agent format
@@ -1137,6 +1137,11 @@ class Py3:
"""
Make a request to a url and retrieve the results.
+ If the headers parameter does not provide an 'User-Agent' key, one will
+ be added automatically following the convention:
+
+ py3status/<version> <per session random uuid>
+
:param url: url to request eg `http://example.com`
:param params: extra query string parameters as a dict
:param data: POST data as a dict. If this is not supplied the GET method will be used
