Looks like it healed, so it's fine.
Need a bit more light in there to reduce stretch. Consider removing that mirror-like mylar on walls. White paint is good enough... the 'whitest' paint (highest R:B:G hex values on label) will be as effective as poly film or stamped mylar. Lining it with polyfilm (aka panda film - the black side/white side plastic) would work better, too. You don't want a mirror-like surface as that can create hotspots and if not flat direct light the wrong way too. The surfaces that diffuse it are better options. That's why the grow tents have diamond-stamped mylar or something similar. This isn't a big concern, but would be better and probably less annoying that the loose stuff hanging.