Please See post 152, where the PDF I posted, lists .........
4.7nf Ceramic Disc Capacitor, 250V, 472 (4 off). … CAPACITOR, SAFETY, 10NF, 250V, 20%, (2 off). ........
Looking at your board, I see that you have put standard resistors near those central 4.7nf Ceramic Disc Capacitor, 250V, 472, .... However, I do recommend, and its silk screen printed on the board, 5r6 or 5.6ohm Resistors 2W Power 5% (4 off).