Cho'Gaths ult is still barely visible

Many champions who have an execute ult have an indicator when a champion is low enough to be killed by it. (Zed, Garen, Urgot, Cho'Gath all have this). However, Cho'Gaths is very hard to see. It shows up as a small pulsing glow at the champions feet. (It used to only be a red glow, but Riot was nice enough to add a blue portion for colorblind people)

However, Cho'Gaths ult is still impossibly hard to see unless they are wide in the open and nothing else is going on. Cho's ult is arguably the most important part of his kit, and it can be disastrous if you fail the execute. Either the visuals for his ult execute should be very clear, or it shouldn't be visual at all.