category descriptions

https://en.support.wordpress.com/posts/categories/

Go to your Dashboard.
Hover over the Post tab. You will then see a drop down menu of Categories.
This will allow you to add the categories you need.

Also in the widgets you can edit how the categories will display on the live site.

Hope this helps you out. Let me know

Hi dessine-moi une histoire

Since there is no appropriate hook, I will consider the future.

Of the following ways, if in the current theme, and do somehow.

It is a drawback to use the span element, it’s not possible to use html tags

Add to functions.php first line (<?php before ).

<?php
add_filter( 'raindrops_archive_value', 'my_add_category_description' );

function my_add_category_description( $title ) {
    if( is_category() ) {
	return $title .'</span><span style="display:block;font-size:13px;">'.wp_html_excerpt( category_description( get_query_var( 'cat') ),50,'...');
    }
    return $title;
}
?>

Thank you

Hi Nobita
I put this code in functions.php via FTP but my description didn’t appear.
I also tried to add in archive.php :

<?php echo category_description(); ?>
<?php
if(!(is_paged())){
echo category_description();
}
?>

But nothing happen too

Need category ID

category_description( get_query_var( 'cat') )

Sorry I’m very novice.
Where do I have to add this code?

loop.php change below

raindrops_prepend_loop();

		raindrops_next_prev_links( );

		if ( have_posts( ) ) {

			raindrops_loop_title( );

			if ( is_category() ) {

				echo '<li>'. category_description( get_query_var( 'cat') ). '</li>';
			}

Thank you very much