Enhancement request: 4x2 widget's "Last update" line in white

[steelowheel]

I'm on Forecastie 1.22.1. The 4x2 widget is great but the "last update" line is in black and it's not possible to see on black background. If I turn the the widget transparent, that would help in case the wallpaper was light, but I'm afraid my wallpaper is all black.