diff --git a/docs/reference.md b/docs/reference.md
index dfe1acaf..936915b2 100644
--- a/docs/reference.md
+++ b/docs/reference.md
@@ -1,10 +1,6 @@
 # Reference
 
 ```namespaces
-for (let i = 0;i<5;++i) {}
-if (true){}
-let x = 0;
-Math.random(5);
 basic.showNumber(0);
 input.onButtonPressed(Button.A, () => {
     
@@ -21,8 +17,15 @@ images.createImage(`
 . . . . .
 `);
 pins.digitalReadPin(DigitalPin.P0);
-serial.writeValue(x, 0);
+serial.writeNumber(0);
 control.inBackground(() => {
     
 });
+
 ```
+<!-- No language reference for now, until
+for (let i = 0;i<5;++i) {}
+if (true){}
+let x = 0;
+Math.random(5);
+-->
\ No newline at end of file