diff --git a/connexion/apps/abstract.py b/connexion/apps/abstract.py
index b80282d8d..b2de31660 100644
--- a/connexion/apps/abstract.py
+++ b/connexion/apps/abstract.py
@@ -136,7 +136,7 @@ def add_api(
         **kwargs,
     ) -> t.Any:
         """
-        Register een API represented by a single OpenAPI specification on this application.
+        Register an API represented by a single OpenAPI specification on this application.
         Multiple APIs can be registered on a single application.
 
         :param specification: OpenAPI specification. Can be provided either as dict, or as path