did i play this hand correctly?

I am in seat 2

$2 + $0.15 Heads Up Sit & Go (203708820), Table 1 - 20/40 - No Limit Hold'em - 12:24:20 ET - 2010/12/09
Seat 1: j****77 (1,615)
Seat 2: G****gon (4,385)
j****77 posts the small blind of 20
G****gon posts the big blind of 40
The button is in seat #1
*** HOLE CARDS ***
Dealt to G****gon [6h 4s]
j****77 raises to 80
G****gon calls 40
*** FLOP *** [6d 4h 8c]
G****gon checks
j****77 bets 1,535, and is all in
G****gon calls 1,535
j****77 shows [Kh Ac]
G****gon shows [6h 4s]
*** TURN *** [6d 4h 8c] [2d]
*** RIVER *** [6d 4h 8c 2d] [2h]
j****77 shows a pair of Twos
G****gon shows two pair, Sixes and Fours
G****gon wins the pot (3,230) with two pair, Sixes and Fours
*** SUMMARY ***
Total pot 3,230 | Rake 0
Board: [6d 4h 8c 2d 2h]
Seat 1: j****77 (small blind) showed [Kh Ac] and lost with a pair of Twos
Seat 2: G****gon (big blind) showed [6h 4s] and won (3,230) with two pair, Sixes and Fours