diff --git a/INSTALL.md b/INSTALL.md
index dc5c889..4f6a3f7 100644
--- a/INSTALL.md
+++ b/INSTALL.md
@@ -62,6 +62,12 @@ Use the following command:
 go run ./cmd/cli -c ./config/config.sample.yml run
 ```
 
+Now, you can interact with Pagu:
+
+```bash
+calculate reward --stake=1000 --days=1
+```
+
 ## Contributing
 
 We are excited to welcome contributions to Pagu! To get started, follow these steps:
diff --git a/config/config.sample.yml b/config/config.sample.yml
index f647431..8414ca6 100644
--- a/config/config.sample.yml
+++ b/config/config.sample.yml
@@ -4,7 +4,7 @@ bot_name: "Pagu-Development"
 network: "Mainnet"
 
 # Pactus clients
-local_node: "localhost:50051" # Address of the local Pactus node for direct communication.
+local_node: "bootstrap1.pactus.org:50051" # Address of the local Pactus node for direct communication.
 
 # List of Pactus nodes Pagu can connect to for information.
 # These nodes must have public gRPC endpoints.