I have my Safari on Mojave set to use duckduckgo and typing Cmd + L, then typing sketch, then pressing return - takes me to a DDG search for sketch. I wonder i

I have my Safari on Mojave set to use duckduckgo and typing Cmd + L, then typing sketch, then pressing return - takes me to a DDG search for sketch. I wonder if there's some other setting I've changed that causes this difference in behaviour though.