diff --git a/notebooks/integrations/aryn/aryn-elasticsearch-blog-dataprep.ipynb b/notebooks/integrations/aryn/aryn-elasticsearch-blog-dataprep.ipynb
index 148a4f79..474b0032 100644
--- a/notebooks/integrations/aryn/aryn-elasticsearch-blog-dataprep.ipynb
+++ b/notebooks/integrations/aryn/aryn-elasticsearch-blog-dataprep.ipynb
@@ -33,7 +33,7 @@
     "import pyarrow.fs\n",
     "\n",
     "llm = OpenAI(OpenAIModels.GPT_4O_MINI)\n",
-    "os.environ[\"ARYN_API_KEY"\] = "<MY-ARYN-API-KEY>"\n", 
+    "os.environ[\"ARYN_API_KEY\"] = \"<MY-ARYN-API-KEY>\"\n", 
     "\n",
     "paths = [\"s3://aryn-public/ntsb/\"]\n",
     "\n",