diff --git a/lib/nostrum/api.ex b/lib/nostrum/api.ex
index 459fcbeff..6224b7882 100644
--- a/lib/nostrum/api.ex
+++ b/lib/nostrum/api.ex
@@ -2840,7 +2840,7 @@ defmodule Nostrum.Api do
   @doc """
   Retrieves the original message of a webhook.
   """
-  @doc since: "0.6.2"
+  @doc since: "0.7.0"
   @spec get_webhook_message(Webhook.t(), Message.id()) ::
           error | {:ok, Message.t()}
   def get_webhook_message(webhook, message_id) do
@@ -3513,7 +3513,7 @@ defmodule Nostrum.Api do
   @doc """
   Retrieves the original message of an interaction.
   """
-  @doc since: "0.6.2"
+  @doc since: "0.7.0"
   @spec get_original_interaction_response(Interaction.t()) :: error | {:ok, Message.t()}
   def get_original_interaction_response(interaction) do
     path = Constants.original_interaction_response(interaction.application_id, interaction.token)
diff --git a/lib/nostrum/struct/guild/member.ex b/lib/nostrum/struct/guild/member.ex
index 488a84db9..ac30fe399 100644
--- a/lib/nostrum/struct/guild/member.ex
+++ b/lib/nostrum/struct/guild/member.ex
@@ -58,10 +58,10 @@ defmodule Nostrum.Struct.Guild.Member do
   @type roles :: [Role.id()]
 
   @typedoc """
-  Date the member joined the guild.
+  Date the member joined the guild, as a unix timestamp.
   If you dont request offline guild members this field will be `nil` for any members that come online.
   """
-  @type joined_at :: String.t() | nil
+  @type joined_at :: pos_integer() | nil
 
   @typedoc """
   Whether the member is deafened.
diff --git a/mix.exs b/mix.exs
index d869d9bc8..8645226af 100644
--- a/mix.exs
+++ b/mix.exs
@@ -5,7 +5,7 @@ defmodule Nostrum.Mixfile do
   def project do
     [
       app: :nostrum,
-      version: "0.7.0",
+      version: "0.7.0-rc1",
       elixir: "~> 1.11",
       elixirc_paths: elixirc_paths(Mix.env()),
       build_embedded: Mix.env() == :prod,