diff --git a/libs/microbit/pins.cpp b/libs/microbit/pins.cpp
index 3fc32ea7..bf031523 100644
--- a/libs/microbit/pins.cpp
+++ b/libs/microbit/pins.cpp
@@ -128,7 +128,7 @@ namespace pins {
      * @param name analog pin to set period to
      * @param micros period in micro seconds. eg:20000
      */
-    //% help=pins/analog-set-period weight=23
+    //% help=pins/analog-set-period weight=23 blockGap=8
     //% blockId=device_set_analog_period block="analog set period|pin %pin|to (µs)%micros" 
     void analogSetPeriod(AnalogPin name, int micros) { 
         PINOP(setAnalogPeriodUs(micros));
@@ -148,10 +148,10 @@ namespace pins {
     }
     
     /**
-    * Gets the duration of the last pulse in micro-seconds. This function should be called from a ``onPulse`` handler.
+    * Gets the duration of the last pulse in micro-seconds. This function should be called from a ``onPulsed`` handler.
     */
     //% help=pins/pulse-micros
-    //% blockId=pins_pulse_duration block="pulse duration (us)"
+    //% blockId=pins_pulse_duration block="pulse duration (µs)"
     //% weight=21
     int pulseDuration() {
         return pxt::lastEvent.timestamp;
diff --git a/libs/microbit/pins.ts b/libs/microbit/pins.ts
index 2fb85ad5..3412b8e2 100644
--- a/libs/microbit/pins.ts
+++ b/libs/microbit/pins.ts
@@ -11,7 +11,7 @@ namespace pins {
      * @param toLow the lower bound of the value's target range
      * @param toHigh the upper bound of the value's target range, eg: 4
      */
-    //% help=pins/map weight=3
+    //% help=pins/map weight=22
     //% blockId=math_map block="map %value|from low %fromLow|from high %fromHigh|to low %toLow|to high %toHigh"
     export function map(value: number, fromLow: number, fromHigh: number, toLow: number, toHigh: number): number {
         return ((value - fromLow) * (toHigh - toLow)) / (fromHigh - fromLow) + toLow;
diff --git a/libs/microbit/shims.d.ts b/libs/microbit/shims.d.ts
index e55f5d27..523a9b98 100644
--- a/libs/microbit/shims.d.ts
+++ b/libs/microbit/shims.d.ts
@@ -483,7 +483,7 @@ declare namespace pins {
      * @param name analog pin to set period to
      * @param micros period in micro seconds. eg:20000
      */
-    //% help=pins/analog-set-period weight=23
+    //% help=pins/analog-set-period weight=23 blockGap=8
     //% blockId=device_set_analog_period block="analog set period|pin %pin|to (µs)%micros" shim=pins::analogSetPeriod
     function analogSetPeriod(name: AnalogPin, micros: number): void;
 
@@ -495,10 +495,10 @@ declare namespace pins {
     function onPulsed(name: DigitalPin, pulse: PulseValue, body: () => void): void;
 
     /**
-     * Gets the duration of the last pulse in micro-seconds. This function should be called from a ``onPulse`` handler.
+     * Gets the duration of the last pulse in micro-seconds. This function should be called from a ``onPulsed`` handler.
      */
     //% help=pins/pulse-micros
-    //% blockId=pins_pulse_duration block="pulse duration (us)"
+    //% blockId=pins_pulse_duration block="pulse duration (µs)"
     //% weight=21 shim=pins::pulseDuration
     function pulseDuration(): number;