Question Motherboard white line

I have a Gigabyte b450 gaming X and I was wondering what could be this white line around one of the holes for stand offs near the ram ? ( yeah the hole is not in use beacuse my case does not have a space for that one specific hole) https://postimg.cc/rDVpb90s
A guess is it's a drizzle of white ink from the silkscreen process that puts markings on the PWB. Insignificant.
 
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