more formatting

README.md

@@ -86,7 +86,12 @@ http://l2ork.music.vt.edu/main/?page_id=56#install-dev
   [version](http://windows.microsoft.com/en-us/windows/32-bit-and-64-bit-windows#1TC=windows-7)
   of Windows you are running and download the appropriate installer.  
   Note: don't run it after it installs. You'll open it manually in the next step.
-2. msys2 adds Start Menu items for 3 different "flavors" of shell: MinGW-w64 Win32 Shell, MinGW-w64 Win64 Shell, and MSYS Shell. Click the menu item for MinGW-w64 Win32 Shell.
+2. Run MinGW-w64 Win32 Shell *(less than a minute)*  
+   msys2 adds three Start Menu items for different "flavors" of shell:  
+   + MinGW-w64 Win32 Shell
+   + MinGW-w64 Win64 Shell, and
+   + MSYS Shell  
+   Click the menu item for MinGW-w64 Win32 Shell.
 3. Once the shell opens, we need to install the dependencies for building Purr Data. Issue the following command:<code>
 pacman -S autoconf automake git libtool \
           make mingw-w64-i686-dlfcn mingw-w64-i686-fftw \