Fix kura-kapua docs grammatical errors
Fix kura-kapua docs grammatical errors

Signed-off-by: Geetha Rangaswamaiah <72b88a2e57880de69f8cc0d77f7858211f1fbcab@infosys.com>

stzilli/kapua,LeoNerdoG/kapua,LeoNerdoG/kapua,stzilli/kapua,stzilli/kapua,LeoNerdoG/kapua,LeoNerdoG/kapua,stzilli/kapua,LeoNerdoG/kapua,stzilli/kapua