add info for installing one of the sub instances

docs/_includes/install_info.html

@@ -4,7 +4,7 @@
     <li>Join the TAG server via <a href="/discord">this link</a>.</li>
     <li>Invite the {{ site.bot_name }} bot using one of the methods below.
         <ul>
-            <li>Selecting {{ site.bot_name }} account in the Discord and clicking "Add To Server":
+            <li>Selecting {{ site.bot_name }} account (or one of its fallback instances [Everything will be under the role of "THE BOT" in the TAG Server]) in the Discord and clicking "Add To Server":
                 <img src="{{ '/assets/botaccount.png' | relative_url }}" />
             </li>
             <li>Install via this <a href="https://discord.com/api/oauth2/authorize?client_id={{ site.discord_client_id }}&permissions=274877925380&scope=bot%20applications.commands">Discord app link</a>.</li>