Making Tea

Is there a way to say 'be right back, i am making tea' in chinese?

My sister: 马上回来，我正在泡茶



马上回来，我正在泡茶

马上	ma3 shang4	at once / right away / immediately
回来	hui2 lai5	return / come back
我	wo3	I / me
正在	zheng4 zai4	in the process of (doing something or happening) / while
泡茶	pao4 cha2	make tea