diff --git a/tutorials_tutorials/tutorial_run_local_node.md b/tutorials_tutorials/tutorial_run_local_node.md
index 5011a57..c225ce0 100644
--- a/tutorials_tutorials/tutorial_run_local_node.md
+++ b/tutorials_tutorials/tutorial_run_local_node.md
@@ -73,7 +73,7 @@ Your peerId: 12D3KooWCXj3BQuV5d4vhgyLFmv7rRYiy9MupFiyEWnqcUAGpS4D
 [
   {
     "config": {
-      "mem_pages_count": 100
+      "max_heap_size": "100 KiB"
     },
     "hash": "558a483b1c141b66765947cf6a674abe5af2bb5b86244dfca41e5f5eb2a86e9e",
     "name": "sqlite3"