typos in doc
typos in doc

Change-Id: I04edf435abcf521c5ba9e0cea21e00fb6b04b949
Reviewed-on: http://gerrit.aldebaran.lan:8080/4985
Reviewed-by: dmerejkowsky <1e4b13000fa8777df4cefd2fd8215187e3deb062@aldebaran-robotics.com>
Tested-by: sbarthelemy <9c154f64c36738f8e44d945c231ac417d15bd66e@aldebaran-robotics.com>

dmerejkowsky/qibuild,dmerejkowsky/qibuild,dmerejkowsky/qibuild,aldebaran/qibuild,aldebaran/qibuild,dmerejkowsky/qibuild,aldebaran/qibuild,dmerejkowsky/qibuild,aldebaran/qibuild