WordPress at a glance
filter is not described

password_hint filter-hook . WP 4.1.0

Filters the text describing the site's password complexity policy.

Usage

add_filter( 'password_hint', 'filter_function_name_7766' );
function filter_function_name_7766( $hint ){
	// filter...

	return $hint;
}
$hint(string)
The password hint text.

Where the hook is called

wp_get_password_hint()
wp-includes/user.php 2125
return apply_filters( 'password_hint', $hint );

Where the hook is used (in WP core)

Does not used.