diff --git a/docs/en/docs/advanced/extending-openapi.md b/docs/en/docs/advanced/extending-openapi.md
index c47f939af..bec184dee 100644
--- a/docs/en/docs/advanced/extending-openapi.md
+++ b/docs/en/docs/advanced/extending-openapi.md
@@ -136,8 +136,8 @@ You can probably right-click each link and select an option similar to `Save lin
**Swagger UI** uses the files:
-* `swagger-ui-bundle.js`
-* `swagger-ui.css`
+* `swagger-ui-bundle.js`
+* `swagger-ui.css`
And **ReDoc** uses the file: