Step 4
Commenting allows you to leave messages without affecting the browser display. It also allows you to make code inactive. A comment in HTML starts with <!-- , contains any number of lines of text, and ends with --> . For example, the comment <!-- TODO: Remove h1 --> contains the text TODO: Remove h1 .
Add a comment above the p element with the text TODO: Add link to cat photos .
no puedo hacer este paso, no entiendo por que no me deja seguir avanzando, si me pide que haga un comentario lo hago y no me eja.