Improve the wording of Windows installation docs

README.md

@@ -10,14 +10,16 @@
    installed through the regular means for your operating system.
 
    On Windows you can install `git` using
-   [msysgit](http://code.google.com/p/msysgit/).  Git must be added to the
-   PATH environment variable for Vundle to work.  The msysgit installer
-   provides an option to add git to the path automatically.
+   [msysgit](http://code.google.com/p/msysgit/).
 
    The `curl` Windows binary can be found on the
    [curl website](http://curl.haxx.se/).  Copy the files to where you'd like
    to store them (`%PROGRAMFILES%\curl` is a pretty good choice).
 
+   Both `git` and `curl` must be added to the PATH environment variable for
+   Vundle to work.  The msysgit installer provides an option to add git to the
+   path automatically.
+
    You can edit your Windows PATH environment variable by right-clicking
    on My Computer and selecting selecting Properties (Windows Vista/7 users
    must also click `Advanced System Settings`). Go to the Advanced tab and