Ticket #33675: 33675.diff

src/wp-admin/post-new.php

@@ -55 +55 @@
 $editing = true;
 
 if ( ! current_user_can( $post_type_object->cap->edit_posts ) || ! current_user_can( $post_type_object->cap->create_posts ) )
-        wp_die( __( 'Cheatin’ uh?' ), 403 );
+        wp_die(
+                '<h1>' . __( 'Cheatin&#8217; uh?' ) . '</h1>' .
+                '<p>' . __( 'You are not allowed to create posts as this user.' ) . '</p>',
+                403 );
 
 // Schedule auto-draft cleanup
 if ( ! wp_next_scheduled( 'wp_scheduled_auto_draft_delete' ) )