Index: src/wp-admin/css/common.css
===================================================================
--- src/wp-admin/css/common.css	(revision 42215)
+++ src/wp-admin/css/common.css	(working copy)
@@ -2835,6 +2835,12 @@
 	font-size: 13px;
 }
 
+.plugin-version-author-uri a,
+.plugin-update p a,
+.plugin-title p a {
+	text-decoration:underline;
+}
+
 /* For non-js plugin installation screen ticket #36430. */
 .update-php .button.button-primary {
 	margin-right: 1em;