SYDNEY coach Scott Gowans says he shook his head and moved on after the AFL's admission that a goal-umpiring mistake cost his side a goal in Saturday's four-point loss to Essendon.

With just over five minutes remaining in the third quarter, the goal umpire incorrectly signalled Molly Eastman's set shot to have been a behind, rather than a goal, which would have put Sydney in front. 

"I think it's good though we highlight things that aren't right, and we're disappointed obviously with the decision. But there's lots of other little moments in games and the AFL apologised and I think that's it, you just sort of shake your head and move on," Gowans said of the error. 

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Swan's surprise after shot is ruled a behind

Sydney defender Molly Eastman's shot at goal is called a behind by the goal umpire against Essendon

The Swans' coach is also "a big fan of playing at bigger venues", while also understanding the fine line the AFLW is aiming to walk between bigger stadia with goal review technology and retaining the community feel it has always had. 

"There is a balance there somewhere, we've just got to find what that balance is and the costs of having that technology... I just want the industry to grow to be better if that's what the industry dictates, that we do play on the better grounds and have technology down the track, fantastic," he said.

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Gowans also backed the Swans to continue playing at Henson Park, where they host Fremantle on Saturday afternoon, but gently suggested improvements could be made to the facilities, "whether that's demountables or whatever it might be", after recent criticism.

"I love Henson Park," he said. 

"Discussion around whether we should play there now is an interesting one because I don't know where else we play it, and that's the ground situation in New South Wales. It's tough because we've got cricket, the timing of the season and AFLW now clashes a little bit … so there's lots of different factors there." 

The Swans have two games to go in their inaugural season, with both Fremantle and Geelong still to come, and Gowans wants the team to take the game on. 

"We feel we've got a bit of a grip on the game plan, so I think we'll try to be a bit more attacking," Gowans said of the final two rounds.