After following the instructions to the grass tutorial it looks nothing alike and I am confused

The link to the tutorial:

Screenshot of what painted area looks like:

I followed the instructions perfectly (or so I thought) but in the tutorial once it came to the part I was on it actually looked like grass, and was actually a mesh:

274044-screenshot-2.png

Mine is just the material and not actual grass. Maybe I’m stupid, but I don’t know what I’m doing wrong.