Update Readme.md

Author: crystalct

samples/graphics/rsx_Basic/Readme.md

@@ -1,4 +1,4 @@
-A basic example of to use RSX and Vertex/Fragment without camera position, eyes position, lights, 3D objects, textures, etc etc.
+A basic example to use RSX and Vertex/Fragment without camera position, eyes position, lights, 3D objects, textures, etc etc.
 Just draw a tringle.....
 
 ![RSX basic example](https://github.com/crystalct/PSL1GHT/blob/develop/samples/graphics/rsx_Basic/rsx_basic.png?raw=true)