Page 12 of the January 1,1989 WT original magazine paragraph 8 ends with the statement that the apostle Paul's missionary activity laid a foundation for a work that would be completed in our 20th century."
(a subtle prophecy that 'the end' will come by the year 2000 A.D.)
This sentence is changed in the bound volume reprint to read "a work that would be completed in our day."