Update README.md

Author: BillyFrcs

README.md

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 <h1 align="center">OpenGL Graphics API</h1>
 
-Learning [OpenGL](https://www.opengl.org//) is a great way to learn how to use the graphics API such as 2D and 3D rendering vector graphics and create a basic to high-level graphics applications with modern OpenGL and C++ such as shaders, textures, animation, 3D, lighting etc.
+Learning [OpenGL](https://www.opengl.org//) is a great way to learn how to use the graphics API such as 2D and 3D rendering vector graphics and create the basic to high-level cross-platform graphics application programming interface with modern OpenGL and C++ such as shaders, textures, animation, 3D, lighting etc.
 
 ## Usage
 Currently only officially supports Windows. To run the project just simply find the ```.sln``` file and open it up in Visual Studio IDE. Also you could check the ```Dependencies``` folder to see the Include Library for configuration this project, Highly recommended to use [Visual Studio 2022](https://visualstudio.microsoft.com/downloads/) IDE. Configuration to linking external libraries C++ can be found in ```Configuration.txt```.