diff --git a/docs/docs/integrations/vectorstores/milvus.ipynb b/docs/docs/integrations/vectorstores/milvus.ipynb
index 34bda120d89..2cbc8d4e973 100644
--- a/docs/docs/integrations/vectorstores/milvus.ipynb
+++ b/docs/docs/integrations/vectorstores/milvus.ipynb
@@ -314,7 +314,7 @@
     "results = vector_store.similarity_search(\n",
     "    \"LangChain provides abstractions to make working with LLMs easy\",\n",
     "    k=2,\n",
-    "    filter={\"source\": \"tweet\"},\n",
+    "    expr='source == \"tweet\"',\n",
     ")\n",
     "for res in results:\n",
     "    print(f\"* {res.page_content} [{res.metadata}]\")"
@@ -346,7 +346,7 @@
    ],
    "source": [
     "results = vector_store.similarity_search_with_score(\n",
-    "    \"Will it be hot tomorrow?\", k=1, filter={\"source\": \"news\"}\n",
+    "    \"Will it be hot tomorrow?\", k=1, expr='source == \"news\"'\n",
     ")\n",
     "for res, score in results:\n",
     "    print(f\"* [SIM={score:3f}] {res.page_content} [{res.metadata}]\")"