Updating SVG of exisitng part

I'm confused... when I look in fritzing\parts\svg\user\pcb\xxx.svg, I have the edited SVG file:

Capture.PNG777x632 15.8 KB

It has a black box defining the silkscreen on the PCB for the relay. When I click on the part in Fritzing, the PCB thumbnail shows the black box. But when I place the part on the PCB, I don't see the black box:

Untitled Sketch.fzz (11.9 KB)

So I'm clueless what to do next