Update README.md

Author: 1-Bart-1

README.md

@@ -1,6 +1,6 @@
 [![Build Status](https://github.com/Albatross-Kite-Transport/VortexStepMethod.jl/actions/workflows/CI.yml/badge.svg?branch=main)](https://github.com/Albatross-Kite-Transport/VortexStepMethod.jl/actions/workflows/CI.yml?query=branch%3Amain)
 
-# Simulation of a Kite using the Vortex Step Method
+# Simulation of a 3D airfoil using the Vortex Step Method
 
 The Vortex Step Method (VSM) is an enhanced lifting line method that improves upon the classic approach by solving the 
 circulation system at the three-quarter chord position, among the most important details. This adjustment allows for 
@@ -130,4 +130,4 @@ Copyright (c) 2022 Oriol Cayon
 
 Copyright (c) 2024 Oriol Cayon, Jelle Poland, TU Delft
 
-Copyright (c) 2025 Oriol Cayon, Jelle Poland, Bart van de Lint
+Copyright (c) 2025 Oriol Cayon, Jelle Poland, Bart van de Lint