//Plugin Notes Plus plugin - change notes location
function pnp_change_note_placement( $note_placement ) {
    $note_placement = 'description';
    return $note_placement;
}
add_filter( 'plugin-notes-plus_note_placement', 'pnp_change_note_placement' );

function pnp_custom_css() { ?>
<style>
.column-description .pnp-show-note-wrapper {
 	background: rgba(0,0,0,0.05);
  	padding: 15px;
}
.column-description .pnp-note-form {
	width: 100%;
}
</style>
<?php }
add_action('admin_head', 'pnp_custom_css');