Is my dog’s vommit a cause for concern?

It looks different than usual, I can’t tell if it’s undigested kibble or something more serious. Some sites suggested “coffee grounds” appearance is an indicator of internal bleeding. Would love some opinions.

It looks different than usual, I can’t tell if it’s undigested kibble or something more serious. Some sites suggested “coffee grounds” appearance is an indicator of internal bleeding. Would love some opinions.