Update README.md

README.md

@@ -11,7 +11,7 @@ Easily create fragment shaders for Svelte apps using WebGL and WebGPU.
 
 ## What is a fragment shader?
 
-A _fragment shader_ can be written as a program that takes the coordinates of a pixel on the screen and returns the color that this pixel should have.
+In short, a _fragment shader_ can be written as a program that takes the coordinates of a pixel on the screen and returns the color that this pixel should have.
 This function can then be executed on the GPU, ensuring massive parallelism and speed.
 
 To learn more about how to write fragment shaders, check out [The Book of Shaders](https://thebookofshaders.com/).