Scofield Reference Notes (1917 Edition)Chapter 1
1:2 (There are eleven days' journey from Horeb by the way of mount Seir unto Kadeshbarnea.)
1:3 And it came to pass in the fortieth year, in the eleventh month, on the first day of the month, that Moses spake unto the children of Israel, according unto all that the LORD had given him in commandment unto them;
Prolonged by one act of unbelief to forty years. (See Scofield "Numbers 14:23") .