Index: wp-content/themes/twentythirteen/style.css
===================================================================
--- wp-content/themes/twentythirteen/style.css	(revision 23549)
+++ wp-content/themes/twentythirteen/style.css	(working copy)
@@ -1336,10 +1336,17 @@
 }
 
 .gallery-caption {
-	display: none;
+	color: #777;
+	font-size: 14px;
+	font-style: italic;
+	padding-top: 4px;
 }
 
+.gallery-caption {
+	width: 90%;
+}
 
+
 /**
  * 5.6 Post Formats
  * ----------------------------------------------------------------------------