diff --git a/docs/reference/String.md b/docs/reference/String.md
new file mode 100644
index 00000000..2e875b5f
--- /dev/null
+++ b/docs/reference/String.md
@@ -0,0 +1,5 @@
+# String
+
+```cards
+String.fromCharCode(0);
+```
diff --git a/docs/reference/pins.md b/docs/reference/pins.md
index 5b041392..7fece8ad 100644
--- a/docs/reference/pins.md
+++ b/docs/reference/pins.md
@@ -8,6 +8,7 @@ pins.digitalWritePin(DigitalPin.P0, 0);
 pins.analogReadPin(AnalogPin.P0);
 pins.analogWritePin(AnalogPin.P0, 1023);
 pins.analogSetPeriod(AnalogPin.P0, 20000);
+pins.map(0, 0, 1023, 0, 4);
 pins.onPulsed(DigitalPin.P0, PulseValue.High, () => {
     
 });
@@ -16,7 +17,6 @@ pins.servoWritePin(AnalogPin.P0, 180);
 pins.servoSetPulse(AnalogPin.P0, 1500);
 pins.i2cReadNumber(0, NumberFormat.Int8LE);
 pins.i2cWriteNumber(0, 0, NumberFormat.Int8LE);
-pins.map(0, 0, 1023, 0, 4);
 pins.analogPitch(0, 0);
 pins.analogSetPitchPin(AnalogPin.P0);
 ```
diff --git a/docs/reference/serial.md b/docs/reference/serial.md
index bf72fd14..4fdec09d 100644
--- a/docs/reference/serial.md
+++ b/docs/reference/serial.md
@@ -8,4 +8,5 @@ serial.writeNumber(0);
 serial.writeValue(x, 0);
 serial.writeString("");
 serial.readLine();
+serial.redirect(SerialPin.P0, SerialPin.P0, BaudRate.BaudRate115200);
 ```