diff --git a/docs/docs/integrations/chat/openai.ipynb b/docs/docs/integrations/chat/openai.ipynb
index 54db230ba95..1908cfe9b90 100644
--- a/docs/docs/integrations/chat/openai.ipynb
+++ b/docs/docs/integrations/chat/openai.ipynb
@@ -51,7 +51,7 @@
     "\n",
     "### Credentials\n",
     "\n",
-    "Head to https://platform.openai.com to sign up to OpenAI and generate an API key. Once you've done this set the OPENAI_API_KEY environment variable:"
+    "Head to https://platform.openai.com to sign up to OpenAI and generate an API key. Once you've done this set the `OPENAI_API_KEY` environment variable:"
    ]
   },
   {