diff --git a/src/hello-world/02.00.UART.md b/src/hello-world/02.00.UART.md
index 07e1058..f59112e 100644
--- a/src/hello-world/02.00.UART.md
+++ b/src/hello-world/02.00.UART.md
@@ -26,6 +26,9 @@ To read and write to the serial bus from your computer, you will need to configu
 ## Code
 
 ``` rust
+use microbit::hal::prelude::*;
+use microbit::hal::serial;
+use microbit::hal::serial::BAUD115200;
 // -- snip --
 if let Some(p) = microbit::Peripherals::take() {
     let mut gpio = p.GPIO.split();
@@ -33,6 +36,18 @@ if let Some(p) = microbit::Peripherals::take() {
     let tx = gpio.pin24.into_push_pull_output().downgrade();
     let rx = gpio.pin25.into_floating_input().downgrade();
     let (mut tx, _) = serial::Serial::uart0(p.UART0, tx, rx, BAUD115200).split();
-    let _ = write!(tx, "\n\rStarting!\n\r");
+    let _ = write!(tx, "serial test\n\r");
 }
 ```
+
+```
+Welcome to minicom 2.7.1
+
+OPTIONS: I18n 
+Compiled on Jun  5 2018, 10:54:41.
+Port /dev/ttyACM0, 19:50:57
+
+Press CTRL-A Z for help on special keys
+
+serial test
+```
diff --git a/src/hello-world/src/main.rs b/src/hello-world/src/main.rs
index 2a987c1..2f18f5c 100644
--- a/src/hello-world/src/main.rs
+++ b/src/hello-world/src/main.rs
@@ -12,6 +12,10 @@ use core::fmt::Write;
 use rt::ExceptionFrame;
 use sh::hio;
 
+use microbit::hal::prelude::*;
+use microbit::hal::serial;
+use microbit::hal::serial::BAUD115200;
+
 exception!(HardFault, hard_fault);
 
 fn hard_fault(ef: &ExceptionFrame) -> ! {
@@ -35,7 +39,7 @@ fn main() -> ! {
         let tx = gpio.pin24.into_push_pull_output().downgrade();
         let rx = gpio.pin25.into_floating_input().downgrade();
         let (mut tx, _) = serial::Serial::uart0(p.UART0, tx, rx, BAUD115200).split();
-        let _ = write!(tx, "\n\rserial test\n\r");
+        let _ = write!(tx, "serial test\n\r");
     }
 
     panic!("test-panic");