--- a/src/pyams_default_theme/shared/resource/templates/specificities.pt	Wed Jan 02 20:15:26 2019 +0100
+++ b/src/pyams_default_theme/shared/resource/templates/specificities.pt	Wed Jan 02 20:16:05 2019 +0100
@@ -36,6 +36,7 @@
 			<a data-toggle="lightbox"
 			   data-type="image"
 			   data-title="${i18n:illustration.title}"
+			   data-description="${i18n:illustration.description}"
 			   data-footer="${i18n:illustration.author}"
 			   href="${tales:absolute_url(data)}">
 				${structure:tales:picture(data, lg_width=3, md_width=3, sm_width=4,