He was delighted with the way they fought back to snatch an injury time equaliser through Luke Howell in their 1-1 draw at Scunthorpe.
And he is feels there is enough quality in his side to avoid a third successive battle against relegation.
"It is imperative this season that we get off to a good start," said Burnett. "Not many teams will come here to Scunthorpe this season and go away with a point.
"I must confess I thought we would be leaving with nothing when they went in front after 88 miniutes. It came from a corner and I was really upset with the way we conceded.
"But we showed great character to come back and equalise through Luke. I was delighted with that. It showed a never-say-die attitude.
"Overall, I think a draw was perhaps a fair result. Both teams had chances and in the end it could have finished 3-3 or 4-4."
Burnett is happy with the way his squad is shaping up this season after taking four points from their last two games.
"We are getting better as a squad, but it is an ongoing process," he said. "There are still some things we need to work on but we will continue to improve."
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