Index: src/wp-admin/user-new.php
===================================================================
--- src/wp-admin/user-new.php	(revision 33852)
+++ src/wp-admin/user-new.php	(working copy)
@@ -9,13 +9,20 @@
 /** WordPress Administration Bootstrap */
 require_once( dirname( __FILE__ ) . '/admin.php' );
 
-if ( is_multisite() ) {
-	if ( ! current_user_can( 'create_users' ) && ! current_user_can( 'promote_users' ) )
-		wp_die( __( 'Cheatin&#8217; uh?' ), 403 );
-} elseif ( ! current_user_can( 'create_users' ) ) {
-	wp_die( __( 'Cheatin&#8217; uh?' ), 403 );
+if ( ! current_user_can( 'create_users' ) ){
+	wp_die(
+		'<h1>' . __( 'Cheatin&#8217; uh?' ) . '</h1>' .
+		'<p>' . __( 'You are not allowed to add this item.' ) . '</p>',
+		403 );
 }
 
+if ( is_multisite() && ! current_user_can( 'promote_users' ) {
+	wp_die(
+		'<h1>' . __( 'Cheatin&#8217; uh?' ) . '</h1>' .
+		'<p>' . __( 'You do not have sufficient permissions to add users to this network.' ) . '</p>',
+		403 );
+}
+
 if ( is_multisite() ) {
 	/**
 	 *
@@ -59,8 +66,12 @@
 		die();
 	}
 
-	if ( ! current_user_can('promote_user', $user_details->ID) )
-		wp_die( __( 'Cheatin&#8217; uh?' ), 403 );
+	if ( ! current_user_can('promote_user', $user_details->ID) ) {
+		wp_die(
+			'<h1>' . __( 'Cheatin&#8217; uh?' ) . '</h1>' .
+			'<p>' . __( 'You do not have sufficient permissions to add users to this network.' ) . '</p>',
+			403 );
+	}
 
 	// Adding an existing user to this blog
 	$new_user_email = $user_details->user_email;
@@ -108,8 +119,12 @@
 } elseif ( isset($_REQUEST['action']) && 'createuser' == $_REQUEST['action'] ) {
 	check_admin_referer( 'create-user', '_wpnonce_create-user' );
 
-	if ( ! current_user_can('create_users') )
-		wp_die( __( 'Cheatin&#8217; uh?' ), 403 );
+	if ( ! current_user_can('create_users') ) {
+		wp_die(
+			'<h1>' . __( 'Cheatin&#8217; uh?' ) . '</h1>' .
+			'<p>' . __( 'You are not allowed to add this item.' ) . '</p>',
+			403 );
+	}
 
 	if ( ! is_multisite() ) {
 		$user_id = edit_user();
