Fixed docs incorrect ref

Author: eunwoo1104

docs/faq.rst

@@ -21,7 +21,7 @@ Adding a slash command is a two part process.
 
 Add a slash command on Discord
 ---------------------------------
-If you want your commands automatically registered, set ``auto_register`` to ``True`` at :class:`.client.SlashCommand`.
+If you want your commands automatically registered, set ``sync_commands`` to ``True`` at :class:`.client.SlashCommand`.
 
 .. code-block:: python
 
@@ -117,7 +117,7 @@ Pretty much anything from the discord's commands extension doesn't work, also so
 .. warning::
    If you use something that might take a while, eg ``wait_for`` you'll run into two issues:
 
-   1. If you don't respond within 3 seconds (``ctx.response()``) discord invalidates the interaction.
+   1. If you don't respond within 3 seconds (``ctx.respond()``) discord invalidates the interaction.
    2. The interaction only lasts for 15 minutes, so if you try and send something with the interaction (``ctx.send``) more than 15 mins after the command was ran it won't work.
 
    As an alternative you can use ``ctx.channel.send`` but this relies on the the bot being in the guild, and the bot having send perms in that channel.