diff --git a/libs/core/_locales/core-strings.json b/libs/core/_locales/core-strings.json
index 2eff208c..264fced3 100644
--- a/libs/core/_locales/core-strings.json
+++ b/libs/core/_locales/core-strings.json
@@ -131,6 +131,7 @@
   "input.temperature|block": "temperature (°C)",
   "input|block": "input",
   "led.brightness|block": "brightness",
+  "led.enable|block": "led enable %on",
   "led.plotBarGraph|block": "plot bar graph of %value |up to %high",
   "led.plot|block": "plot|x %x|y %y",
   "led.point|block": "point|x %x|y %y",
diff --git a/libs/core/led.cpp b/libs/core/led.cpp
index a0046c65..3666fe3e 100644
--- a/libs/core/led.cpp
+++ b/libs/core/led.cpp
@@ -95,7 +95,7 @@ namespace led {
     /**
     * Turns on or off the display    
     */
-    //% help=led/enable blockId=device_led_enable icon="\uf04d"
+    //% help=led/enable blockId=device_led_enable block="led enable %on" icon="\uf04d"
     //% advanced=true parts="ledmatrix"
     void enable(bool on) {
         if (on) uBit.display.enable();
diff --git a/libs/core/shims.d.ts b/libs/core/shims.d.ts
index 5eca9bc8..ea74ac63 100644
--- a/libs/core/shims.d.ts
+++ b/libs/core/shims.d.ts
@@ -497,7 +497,7 @@ declare namespace led {
     /**
      * Turns on or off the display    
      */
-    //% help=led/enable blockId=device_led_enable icon="\uf04d"
+    //% help=led/enable blockId=device_led_enable block="led enable %on" icon="\uf04d"
     //% advanced=true parts="ledmatrix" shim=led::enable
     function enable(on: boolean): void;