change send amount to half balance

diff --git a/docs/_blog/hello-world.md b/docs/_blog/hello-world.md
index 197b727552f40ea7cbcbee60c959cef8274d5018..772dcc74bdc64bc840f672edd92dcd0c42998ba0 100644 (file)
--- a/docs/_blog/hello-world.md
+++ b/docs/_blog/hello-world.md
@@ -151,7 +151,7 @@ let faucet_address = Address::from_str("mkHS9ne12qx9pS9VojpwU5xtRd4T7X7ZUt")?;
 
 let mut tx_builder = wallet.build_tx();
 tx_builder
-    .add_recipient(faucet_address.script_pubkey(), 0_900)
+    .add_recipient(faucet_address.script_pubkey(), balance / 2)
     .fee_rate(FeeRate::from_sat_per_vb(5.0))
     .enable_rbf();
 let (mut psbt, tx_details) = tx_builder.finish()?;