delete caption on responsive image gallery

hi, as written in the title, I wish there was the text of the name of the image when I open the lightbox from a responsive image gallery

like in the image:
http://image.prntscr.com/image/cba55a6cf08d4e80bb7a04a3e66fc589.png

thanks

bye

• This topic was modified 9 years, 3 months ago by gobbetto.
• This topic was modified 9 years, 3 months ago by gobbetto.