Typo (#271)

it ain't much but honest work

wbb/modules/admin.py

@@ -855,7 +855,7 @@ async def invite(_, message):
         link = (await app.get_chat(message.chat.id)).invite_link
         if not link:
             link = await app.export_chat_invite_link(message.chat.id)
-        text = f"Here's This Group Invite Link.\n\n{link}"
+        text = f"Here's This Group's Invite Link.\n\n{link}"
         if message.reply_to_message:
             await message.reply_to_message.reply_text(
                 text, disable_web_page_preview=True