River 4 flush and a bluff

Did I screw this up somewhere?
1-2 NL 6 Max

demon2345 Posted Small Blind $1.00
Taikunin Posted Big Blind $2.00
Dealing Cards
You Were Dealt (Jc, Tc)
dankjar Calls $2.00
demon2345 Calls $1.00
Taikunin Raised to $8.00
dankjar Calls $6.00
demon2345 Calls $6.00
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Dealing Flop (5d,8s,Js)
demon2345 Bets $14.00
Taikunin Calls $14.00
dankjar Folded
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Dealing Turn (6s)
demon2345 Bets $11.00
Taikunin Calls $11.00
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Dealing River (4s)
demon2345 Checks
Taikunin Bets $40.00
demon2345 Calls $40.00
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Taikunin has (Jc, Tc)
demon2345 has (8d, Jd)
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demon2345 Wins $152.00 from pot 1 with : Two Pair, Jacks and Eights

Was this just way too obvious on the end?