Description text is same size as TextColumn

TextColumn::make('publish_at')
    ->since()
    ->description(function(Article $article): string {
        if (!$article->publish_at) {
            return '';
        }
        
        if ($article->publish_at->isFuture()) {
            return 'Publish on ' . $article->publish_at->format('d M Y - H:m');
        }
        
        if ($article->publish_at->isPast()) {
            return 'Published on ' . $article->publish_at->format('d M Y - H:m');
        }
        
        return '';
    })