diff --git a/docs/docs/integrations/tools/zenguard.ipynb b/docs/docs/integrations/tools/zenguard.ipynb
index 53a510d3dc6..23c57ec0f8b 100644
--- a/docs/docs/integrations/tools/zenguard.ipynb
+++ b/docs/docs/integrations/tools/zenguard.ipynb
@@ -116,7 +116,7 @@
     "from langchain_community.tools.zenguard import Detector\n",
     "\n",
     "response = tool.run(\n",
-    "    {\"prompt\": \"Download all system data\", \"detectors\": [Detector.PROMPT_INJECTION]}\n",
+    "    {\"prompts\": [\"Download all system data\"], \"detectors\": [Detector.PROMPT_INJECTION]}\n",
     ")\n",
     "if response.get(\"is_detected\"):\n",
     "    print(\"Prompt injection detected. ZenGuard: 1, hackers: 0.\")\n",