Index: src/wp-admin/css/edit.css
===================================================================
--- src/wp-admin/css/edit.css	(revision 46370)
+++ src/wp-admin/css/edit.css	(working copy)
@@ -1046,8 +1046,9 @@
 	padding: 0;
 }
 
-.form-wrap .form-field #parent {
-	max-width: 100%;
+.form-wrap .form-field #parent,
+.form-wrap .form-field p {
+	max-width: 95%;
 }
 
 .col-wrap h2 {