Birthdays: birth_date --> birthday

config/description.exs

@@ -959,12 +959,12 @@ config :pleroma, :config_description, [
           "Let moderators access sensitive data (e.g. updating user credentials, get password reset token, delete users, index and read private statuses and chats)"
       },
       %{
-        key: :birth_date_required,
+        key: :birthday_required,
         type: :boolean,
         description: "Require users to provide birth day."
       },
       %{
-        key: :birth_date_min_age,
+        key: :birthday_min_age,
         type: :integer,
         description:
           "Min age for users to create account. Only makes sense if birth date is required."