yellow spot on blue hash seedling

hi y'all, just noticed a yellow spot on only one leaf edge. its got some yellow tips spreading as well as u can see from the pics below.aprt from that the plant looks healthy. any ideas why? thanks

That's not much to worry about.
What type of soil/nutes you using.
It might just be time to feed'em
Or it might not I don't know what
your doing

I agree with ghetto, it looks great.. Just getting hungry