fix typos in cookbook/Semi_structured_and_multi_modal_RAG.ipynb (#11794)

I have fixed some typos in file
`cookbook/Semi_structured_and_multi_modal_RAG.ipynb`. I kindly request
the repo maintainers to review and merge it. Thanks!

cookbook/Semi_structured_and_multi_modal_RAG.ipynb

@@ -505,7 +505,7 @@
    "id": "fc2bcc4c-c05d-4417-aaf9-78acd754dde6",
    "metadata": {},
    "source": [
-    "Here is our retrieval of that table from the natural langugae query:"
+    "Here is our retrieval of that table from the natural language query:"
    ]
   },
   {
@@ -526,7 +526,7 @@
     }
    ],
    "source": [
-    "# We can retrive this table\n",
+    "# We can retrieve this table\n",
     "retriever.get_relevant_documents(\"What are results for LLaMA across across domains / subjects?\")[1]"
    ]
   },
@@ -649,7 +649,7 @@
     }
    ],
    "source": [
-    "chain.invoke(\"What is the performance of LLaVa across across mutiple image domains / subjects?\")"
+    "chain.invoke(\"What is the performance of LLaVa across across multiple image domains / subjects?\")"
    ]
   },
   {