diff --git a/examples/openbbPlatformAsLLMTools.ipynb b/examples/openbbPlatformAsLLMTools.ipynb
index aee9a09c9b7..25732c41780 100644
--- a/examples/openbbPlatformAsLLMTools.ipynb
+++ b/examples/openbbPlatformAsLLMTools.ipynb
@@ -52,7 +52,7 @@
    "outputs": [],
    "source": [
     "import os\n",
-    "os.environ['OPENAI_API_KEY'] = \"your-api-key"
+    "os.environ['OPENAI_API_KEY'] = \"your-api-key\""
    ]
   },
   {