Element br not allowed as child of element $ in this context

Rule from html under compatibility category

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Line break elements are not allowed as direct children of any type of list element, namely: <ol> (ordered lists), <ul> (unordered lists) or <dl> (description lists).

<!-- BAD: line breaks as children of unordered lists -->
  <li>Item One</li><br>
  <li>Item Two</li><br>
  <li>Item Three</li>

How do I fix this ?

Use css margin-bottom instead of line breaks to create space between items:

<!-- GOOD: Valid HTML -->
  <li>Item One</li>
  <li>Item Two</li>
  <li>Item Three</li>
li {
  margin-bottom: 1em;


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