Video of brown spots on leaf edges

[Gav2020]

Here’s a quick video of my plant. Can anyone offer some advice on the browning of some of the leaf edges. She’s 3 weeks into flowering. TIA :)

 

[Gav2020]

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[Mrpig]

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Hi, im really new to this but my suggestion is maybe its needing more water/nutrients.. but you should wait for more experienced growers to offer advice before you take mine, hope it gets resolved quickly buddy