Hi @jimb524, welcome to FCC.
There is an instruction which says: Add an h2 tag that says "CatPhotoApp" to create a second HTML element below your "Hello World" h1 element. Have you followed that instruction?
Add
@jimb524 Please do not create duplicate topics for the same challenge/project question(s).
Are you talking about < and > when you say brackets? If so is it only in the editor that they do not work? Are you able to type them in notepad for example?