Update README.md

Author: hakim-cherif-mchp

README.md

@@ -43,7 +43,7 @@ Clone the repository and run the installation script:
 ```bash
 git clone --recursive https://github.com/MicrochipTech/tf2mplabh3.git
 cd tf2mplabh3
-./install.sh
+sudo ./install.sh
 ```
 ### If you already cloned without --recursive, run:
 ```bash