diff --git a/specs/data_structures.md b/specs/data_structures.md
index 2273ad3..4926938 100644
--- a/specs/data_structures.md
+++ b/specs/data_structures.md
@@ -313,8 +313,8 @@ Nodes contain three fields:
 
 The base case (an empty tree) is defined as:
 ```C++
-node.n_min = 0x0000000000000000000000000000000000000000000000000000000000000000
-node.n_max = 0x0000000000000000000000000000000000000000000000000000000000000000
+node.n_min = 0x0000000000000000
+node.n_max = 0x0000000000000000
 node.v = 0xe3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
 ```