I checked all the 70 rst files in doc/source/command-objects and
found that:
-one spelling mistake as:rescure should be rescue(server.rst)
-two help messages:xpvnc should be xvpvnc(console-url.rst and
console.py)
Change-Id: I6f46c79983eaf5650bd3aa0ab448c19f5c6527a9