Update README.md

wording

Author: HughMaingauche

README.md

@@ -8,8 +8,8 @@ This library uses 3 PIO statemachines and 2 DMA channels
 A full framebuffer and a font, once loaded in memory, will leave approx 270k of available memory to do stuff and use a VGA monitor directly connected to the PICO
 
 Other improvements are:
-- Use of the DMA included library instead of direct registry modification
-- Chaged the font system to use xglcd fonts (from [rdagger library](https://github.com/rdagger/micropython-ili9341/tree/master))
+- Use of the DMA included library available in the standard micropython instead of direct registry modification used in my previous code
+- Changed the font system to use xglcd fonts (from [rdagger library](https://github.com/rdagger/micropython-ili9341/tree/master))
 - Added a plotting library to make real time plotting more easy
 
 I tried to document the code as much as I could. I have no doubt that this can be optimized quite a lot.