diff --git a/Documentation/rbtree.txt b/Documentation/rbtree.txt
index 7224459b469e8bf76da4af840468e4dd9d44a520..77102148e67b63f5eefd704fcd6268c13f305e73 100644
--- a/Documentation/rbtree.txt
+++ b/Documentation/rbtree.txt
@@ -131,8 +131,8 @@ Example:
   	}
 
   	/* Add new node and rebalance tree. */
-  	rb_link_node(data->node, parent, new);
-  	rb_insert_color(data->node, root);
+  	rb_link_node(&data->node, parent, new);
+  	rb_insert_color(&data->node, root);
 
 	return TRUE;
   }
@@ -146,10 +146,10 @@ To remove an existing node from a tree, call:
 
 Example:
 
-  struct mytype *data = mysearch(mytree, "walrus");
+  struct mytype *data = mysearch(&mytree, "walrus");
 
   if (data) {
-  	rb_erase(data->node, mytree);
+  	rb_erase(&data->node, &mytree);
   	myfree(data);
   }