Mettre à jour 'README.md'

README.md

@@ -5,7 +5,12 @@
 
 ![RCC->APB2ENR](README_picture/APB2ENR.png)
 <p align="center">
-  <img src="README_picture/APB2ENR.png" />
+  <img ![RCC->APB2ENR](README_picture/APB2ENR.png) />
+</p>
+
+<p align="center">
+  ![RCC->APB2ENR](README_picture/APB2ENR.png)
+
 </p>
 
 ### b) MyGPIO_Read