Extra info (#3008)

* Extra info

* changelog

redbot/core/commands/help.py

@@ -25,6 +25,8 @@
 # Additionally, this gives our users a bit more customization options including by
 # 3rd party cogs down the road.
 
+# Note: 3rd party help must not remove the copyright notice
+
 import asyncio
 from collections import namedtuple
 from typing import Union, List, AsyncIterator, Iterable, cast

redbot/core/core_commands.py

@@ -298,6 +298,7 @@ class Core(commands.Cog, CoreLogic):
             "Red is backed by a passionate community who contributes and "
             "creates content for everyone to enjoy. [Join us today]({}) "
             "and help us improve!\n\n"
+            "(c) Cog Creators"
         ).format(red_repo, author_repo, org_repo, support_server_url)
 
         embed = discord.Embed(color=(await ctx.embed_colour()))