diff --git a/docs/docs/integrations/document_loaders/telegram.ipynb b/docs/docs/integrations/document_loaders/telegram.ipynb
index dff0c666f7..5daa997fb3 100644
--- a/docs/docs/integrations/document_loaders/telegram.ipynb
+++ b/docs/docs/integrations/document_loaders/telegram.ipynb
@@ -80,7 +80,7 @@
     "    chat_entity=\"<CHAT_URL>\",  # recommended to use Entity here\n",
     "    api_hash=\"<API HASH >\",\n",
     "    api_id=\"<API_ID>\",\n",
-    "    user_name=\"\",  # needed only for caching the session.\n",
+    "    username=\"\",  # needed only for caching the session.\n",
     ")"
    ]
   },