diff --git a/telethon_examples/assistant.py b/telethon_examples/assistant.py
index 7dcde266..6fba1eff 100644
--- a/telethon_examples/assistant.py
+++ b/telethon_examples/assistant.py
@@ -8,6 +8,7 @@ import time
 import urllib.parse
 
 from telethon import TelegramClient, events, custom
+from telethon.extensions import markdown
 
 logging.basicConfig(level=logging.WARNING)
 logging.getLogger('asyncio').setLevel(logging.ERROR)
@@ -325,7 +326,8 @@ async def handler(event):
         m = re.match('(client|msg).(.+)', query)
         if m:
             text = get_docs_message(m.group(1), m.group(2))
-            result = builder.article(text, text=text)
+            query = markdown.parse(text)[0]
+            result = builder.article(query, text=text)
         else:
             m = re.match('ref.(.+)', query)
             if m:
diff --git a/telethon_generator/data/error_descriptions b/telethon_generator/data/error_descriptions
index 84cbe497..9c676ab4 100644
--- a/telethon_generator/data/error_descriptions
+++ b/telethon_generator/data/error_descriptions
@@ -73,3 +73,4 @@ REPLY_MARKUP_TOO_LONG=The data embedded in the reply markup buttons was too much
 SHORTNAME_OCCUPY_FAILED=An error occurred when trying to register the short-name used for the sticker pack. Try a different name
 PACK_SHORT_NAME_INVALID=Invalid sticker pack name. It must begin with a letter, can't contain consecutive underscores and must end in "_by_<bot username>".
 PHOTO_SAVE_FILE_INVALID=The photo you tried to send cannot be saved by Telegram. A reason may be that it exceeds 10MB. Try resizing it locally
+AUTH_KEY_DUPLICATED=The authorization key (session file) was used under two different IP addresses simultaneously, and can no longer be used. Use the same session exclusively, or use different sessions