Yellow spots and singed edges

Nothing to do with your light. That's just slight lack of nutrients. Either nitrogen or calcium or both. 🌱👍

Are you growing outdoors or indoors?

Did you recently up it's feeding? The yellow spots are likely calcium being locked out of the roots from being too wet or too clogged with nutrients. Hope this helps.. Happy Growing..

how close was it? find a safe distance that gives optimal footprint -- want some bounce off reflcective walls to get them blanketed all over, but the canopy is your focus of course (or future canopy). Then, adjust power. in bloom you'll want safe distance for full power, but in vegetative phase you can save money and wear-n-tear on equipment. autoflower, you'd treat it like a bloom plant with longer hours rom beginning of vigorous growth. A DLI chart will be needed to determine if you should reduce power or not -- too much never helps. If it was light burn, they'd also exhibit some wilting.. trying to get away from light. if you did not see that under the stronger light, this is something else.