axe-core rule: aria-valid-attr
Elements use misspelled or nonexistent ARIA attributes
What it is
Attributes that look like ARIA but do not exist (for example aria-lable instead of aria-label) are silently ignored by browsers and assistive technology.
Who it blocks
Screen reader users miss the label, state, or description the attribute was meant to provide.
How to fix it
Correct the attribute name to the valid ARIA attribute.
Example fix
<!-- Before -->
<button aria-lable="Close">x</button>
<!-- After -->
<button aria-label="Close">x</button>
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