diff --git a/examples/deep_research_api/introduction_to_deep_research_api.ipynb b/examples/deep_research_api/introduction_to_deep_research_api.ipynb
index 2f959f0934..4d77945f39 100644
--- a/examples/deep_research_api/introduction_to_deep_research_api.ipynb
+++ b/examples/deep_research_api/introduction_to_deep_research_api.ipynb
@@ -295,7 +295,7 @@
         "\n",
         "In the example below, we configure an MCP tool that lets Deep Research fetch your organizations internal semaglutide studies on demand. The MCP server is a proxy for the OpenAI File Storage service that automagically vectorizes your uploaded files for performant retrieval.\n",
         "\n",
-        "If you would like to see _how_ we built this simple MCP server. Refer to [this related cookbook]([<placeholder>](https://cookbook.openai.com/examples/deep_research_api/how_to_build_a_deep_research_mcp_server/readme))."
+        "If you would like to see _how_ we built this simple MCP server, refer to [this related cookbook](https://cookbook.openai.com/examples/deep_research_api/how_to_build_a_deep_research_mcp_server/readme)."
       ]
     },
     {