diff --git a/demo_multi_job_node_source.py b/demo_multi_job_node_source.py
index 345a5ac..9a736bd 100644
--- a/demo_multi_job_node_source.py
+++ b/demo_multi_job_node_source.py
@@ -26,8 +26,15 @@
 print("Creating a proactive job...")
 job = gateway.createJob("demo_multi_job_node_source")
 
-# Define specific node sources to target
-node_sources = ["On-Prem-Server-Static-Nodes-TryDev2", "On-Prem-Server-Static-Nodes"]
+# Specify which node sources to use for distributing the jobs.
+# If left as None, the gateway will automatically discover and use all available node sources.
+node_sources = None
+
+# To target only specific node sources, uncomment and list them here:
+# node_sources = [
+#     "On-Prem-Server-Static-Nodes-TryDev2",  # e.g. your development cluster
+#     "On-Prem-Server-Static-Nodes"           # e.g. your main on-premise nodes
+# ]
 
 # Create multiple jobs with Python tasks
 jobs = []