The widget heading

I installed the plugin then used the widget to set slideshow in my left sidebar. The Heading on the scroller says “Vertical Slideshow”

There is no where to edit this text in the widget box or in settings. How to I change this heading text for this slideshow?

https://wordpress.org/plugins/image-vertical-reel-scroll-slideshow/