Fix a few typos in the description
Fix a few typos in the description

Change-Id: I96eadc28957031bd8e5d7eb73ea5ec35f263cab3
Signed-off-by: Robert Varga <b8bd3df785fdc0ff42dd1710c5d91998513c57ef@cisco.com>

opendaylight/bgpcep,inocybe/odl-bgpcep,bigdataops/bgpcep,inocybe/odl-bgpcep,bigdataops/bgpcep