diff --git a/website/docs/api/docusaurus.config.js.md b/website/docs/api/docusaurus.config.js.md
index cb5e93a8fd..2b42d82b6f 100644
--- a/website/docs/api/docusaurus.config.js.md
+++ b/website/docs/api/docusaurus.config.js.md
@@ -394,7 +394,7 @@ module.exports = {
 };
 ```
 
-### `customFields` {#customfields}
+### `customFields` {#customFields}
 
 Docusaurus guards `docusaurus.config.js` from unknown fields. To add a custom field, define it on `customFields`.