Update runtime/tutor

Co-authored-by: David Else <12832280+David-Else@users.noreply.github.com>

runtime/tutor

@@ -1348,8 +1348,8 @@ In Normal mode, press Ctrl-w to open the Window menu, which displays
 a list of available commands.
 
 To open a new empty buffer in a vertical split on the right half
-of your current window, you can use Ctrl-w nv (i.e., press Ctrl
-and w at the same time, then press n, then press v). Your current
+of your current window, use Ctrl-w nv (i.e., press Ctrl
+and w simultaneously, then press n, followed by v). Your current
 window will now split in 2 vertically, a new empty buffer split
 will appear on the right half, and your cursor will jump to the
 new vertical split.