docs: fix typo (#31388)

- **Description:** fix typo in ragatouille doc

Author: yilinjuang

docs/docs/integrations/providers/ragatouille.ipynb

@@ -68,7 +68,7 @@
    "source": [
     "## Document Compressor\n",
     "\n",
-    "We can also use RAGatouille off-the-shelf as a reranker. This will allow us to use ColBERT to rerank retrieved results from any generic retriever. The benefits of this are that we can do this on top of any existing index, so that we don't need to create a new idex. We can do this by using the [document compressor](/docs/how_to/contextual_compression) abstraction in LangChain."
+    "We can also use RAGatouille off-the-shelf as a reranker. This will allow us to use ColBERT to rerank retrieved results from any generic retriever. The benefits of this are that we can do this on top of any existing index, so that we don't need to create a new index. We can do this by using the [document compressor](/docs/how_to/contextual_compression) abstraction in LangChain."
    ]
   },
   {