Changing Document Properties for Multiple Parts

I have my drawing title blocks linked to document properties, and a vendor recently (and arbitrarily) changed one of their paint numbers. I fiddled around in Solidworks Explorer seeing if it would do a search and replace for specific properties but so far I've had no luck. While I'm able to change a single property values in Explorer for a single part document, it then conducts a reference search which, while it can be circumvented, is time consuming. Is there a way to do this or should I just buckle in and open each part as I edit these drawings?

SolidworksDrawings And Detailing