diff --git a/docs/src/.vitepress/config.mts b/docs/src/.vitepress/config.mts
index bfb2236..7e0dc72 100644
--- a/docs/src/.vitepress/config.mts
+++ b/docs/src/.vitepress/config.mts
@@ -2036,6 +2036,10 @@ export default defineConfig({
             text: "How to contribute",
             link: "/contributing/how-to-contribute",
           },
+          {
+            text: "Function documentation guide",
+            link: "/contributing/function-documentation-guide",
+          },
         ],
       },
     ],