A long established "translators' convention" uses different combinations of upper and lower case letters ("LORD," "Lord," and "lord") to differentiate between the original Hebrew words.
"Umhlangano wabahumushi" osekuyisikhathi eside usebenzisa izinhlanganisela ezahlukene zezinhlamvu ezinkulu nezincane ("NKOSI," "Nkosi," ne "nkosi") ukwehlukanisa phakathi kwamagama okuqala esiHeberu.