Can someone tell me how this has happend

[Towlie]

Just checked on my grow found this leaf Has something been snacking my plant has just started pre flowering

 

[SAOIRSE]

It looks like it just got pinched or squashed along the way, don't panic yet, goodluck

 

[Towlie]

Thanks for putting my mind to rest did I bit of research and I think u might be right was ready to nuke the grow tent

 

[Waira]

..yeah, looks like older physical damage, which can grow out looking worse than it did at the time it was done!