Again, here's a diagram of an a element for your reference:

Here's an example:

<p>Here's a <a href="https://freecodecamp.org"> link to Free Code Camp</a> for you to follow.</p>

Nesting just means putting one element inside of another element.

Now nest your existing a element within a new p element (just after the existing h2 element) so that the surrounding paragraph says "View more cat photos", but where only "cat photos" is a link, and the rest of the text is plain text.