update changes and bug fixes

Author: nixrajput

README.md

@@ -10,7 +10,7 @@ Navigate to `src` folder
 cd src
 ```
 
-Build
+### Build
 
 Get the latest version of Mingw-w64 via MSYS2, which provides up-to-date native builds of GCC, Mingw-w64, and other helpful C++ tools and libraries. Click here to download the MSYS2 installer. Then follow the instructions on the MSYS2 website to install Mingw-w64.