diff --git a/ranked_tree.js b/ranked_tree.js
index 6963715..8ce15e1 100644
--- a/ranked_tree.js
+++ b/ranked_tree.js
@@ -139,13 +139,14 @@ class RankedTree {
             successor.value = null;
             this.record(
                 "Replacing the value of deleted node with successor value",
-                node
+                node,
+                successor
             );
 
             return this.deleteNode(successor);
         }
 
-        this.record("Replacing the node with one of its children", node);
+        this.record("Replacing the node with one of its children", node, y);
 
         return [y, parent];
     }