diff --git a/docs/en/docs/index.md b/docs/en/docs/index.md
index aaadf3cc2..c329b7ef5 100644
--- a/docs/en/docs/index.md
+++ b/docs/en/docs/index.md
@@ -46,7 +46,7 @@ The key features are:
* **Robust**: Get production-ready code. With automatic interactive documentation.
* **Standards-based**: Based on (and fully compatible with) the open standards for APIs: OpenAPI (previously known as Swagger) and JSON Schema.
-* estimation based on tests on an internal development team, building production applications.
+* estimation based on tests conducted by an internal development team, building production applications.
## Sponsors { #sponsors }