This is but the replacing of the question mark with a meaningless label.
Every interrogative sentence should end with a question mark.
A question mark in brackets indicates the entry could not be verified.
The text from this was quoted ends in a period, not a question mark.
Page 61, changed "Mame" to "Mamie" and period at end of page to question mark.
Page 105, changed period to question mark after "upon my trips?"
Page 96, changed period to question mark in "May I pray for you, Ben?"
Did you place a question mark at the end of the question you are asking?
Page 9, changed period to question mark in "What is it now, Bo dear?"
The transcriber has replaced the question mark with a period (full stop).