Fix typo in config_help

Author: fourjr

core/config_help.json

@@ -426,7 +426,7 @@
     "default": "\"You have opened a Modmail thread.\"",
     "description": "This is the message embed description sent to recipients when self-contacted.",
     "examples": [
-      "`{prefix}config set thread_creation_contact_title You contacted yourself.`"
+      "`{prefix}config set thread_creation_self_contact_response You contacted yourself.`"
     ],
     "notes": [
       "`thread_creation_contact_response` is used when contacted by another user.",

core/thread.py

@@ -805,7 +805,8 @@ async def note(
 
     async def reply(
         self, message: discord.Message, anonymous: bool = False, plain: bool = False
-    ) -> typing.Tuple[discord.Message, discord.Message]:
+    ) -> typing.Tuple[typing.List[discord.Message], discord.Message]:
+       """Returns List[user_dm_msg] and thread_channel_msg"""
         if not message.content and not message.attachments:
             raise MissingRequiredArgument(SimpleNamespace(name="msg"))
         if not any(g.get_member(self.id) for g in self.bot.guilds):