I can't understand what I'm doing wrong I named the name attribute as "personality, yet It keep telling me that I didn't

Tell us what’s happening:

Your code so far

<p>Click here to view more <a href="#">cat photos</a>.</p>

<a href="#"><img src="https://bit.ly/fcc-relaxing-cat" alt="A cute orange cat lying on its back."></a>

<p>Things cats love:</p>
  <li>cat nip</li>
  <li>laser pointers</li>
<p>Top 3 things cats hate:</p>
  <li>flea treatment</li>
  <li>other cats</li>
<form action="https://freecatphotoapp.com/submit-cat-photo">
  <label for="indoor"><input id="indoor" type="radio" name="indoor-outdoor"> Indoor</label>
  <label for="outdoor"><input id="outdoor" type="radio" name="indoor-outdoor"> Outdoor</label><br>
  <label for="happy"><input id="happy" type="checkbox"
  name:"personality" > happy</label>
  <label for="mad"> <input id="mad" type="checkbox" name:"personality" > Mad</label>
  <label for="armand"><input id="armand"type="checkbox"  name="personality" > Armand </label><

  <input type="text" placeholder="cat photo URL" required>

  <button type="submit">Submit</button>

Your browser information:

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.193 Safari/537.36.

Challenge: Create a Set of Checkboxes

Link to the challenge:

<label for="mad"> <input id="mad" type="checkbox" name:"personality" > Mad</label>`

Hello, there is a typo error in this line
: instead of =