fixes direction of slashes and removes C prefix to which ssh call

Author: hamishwillee

docs/guide/sitl_setup.rst

@@ -52,8 +52,8 @@ and Linux (though we recommend the native installations linked above).
 #. Install SSH (Windows only - SSH is present by default on Linux/Mac OSX)
 
    * Download and install `Git for Windows <https://git-scm.com/download/win>`_ (or another client that comes with SSH).
-     After installing you can locate the file using the command ``C:\where ssh`` (normally it is installed to **C:/Program Files (x86)/Git/bin/ssh.exe**
-   * Add the ssh.exe location to the *Path* (**System Properties | Advanced tab | Environment Variables | Path**)
+     After installing you can locate the file using the command ``where ssh`` (normally it is installed to **C:\\Program Files (x86)\\Git\\bin\\ssh.exe**
+   * Add the **ssh.exe** location to the *Path* (**System Properties | Advanced tab | Environment Variables | Path**)
 
 #. Create a new directory where you will run *Vagrant*, and open a command prompt/terminal in it: