diff --git a/libs/microbit-devices/devices.cpp b/libs/microbit-devices/devices.cpp
index 880a7ef4..2caab277 100644
--- a/libs/microbit-devices/devices.cpp
+++ b/libs/microbit-devices/devices.cpp
@@ -129,7 +129,7 @@ namespace devices {
 
     /**
      * Sends a ``camera`` command to the parent device.
-     * @param event TODO
+     * @param event event description
      */
     //% weight=30 help=devices/tell-camera-to
     //% blockId=devices_camera icon="\uf030" block="tell camera to|%property" blockGap=8
@@ -139,7 +139,7 @@ namespace devices {
 
     /**
      * Sends a ``remote control`` command to the parent device.
-     * @param event TODO
+     * @param event event description
      */
     //% weight=29 help=devices/tell-remote-control-to
     //% blockId=devices_remote_control block="tell remote control to|%property" blockGap=14 icon="\uf144"
@@ -149,7 +149,7 @@ namespace devices {
 
     /**
      * Sends an ``alert`` command to the parent device.
-     * @param event TODO
+     * @param event event description
      */
     //% weight=27 help=devices/raise-alert-to
     //% blockId=devices_alert block="raise alert to|%property" icon="\uf0f3"
@@ -159,19 +159,19 @@ namespace devices {
 
     /**
      * Registers code to run when the device notifies about a particular event.
-     * @param event TODO
-     * @param body TODO
+     * @param event event description
+     * @param body code handler when event is triggered
      */
     //% help=devices/on-notified weight=26
-    //% blockId=devices_device_info_event block="on notified" icon="\uf10a"
+    //% blockId=devices_device_info_event block="on notified|%event" icon="\uf10a"
     void onNotified(MesDeviceInfo event, Action body) {
         registerWithDal(MES_DEVICE_INFO_ID, (int)event, body);
     }
 
     /**
      * Register code to run when the micro:bit receives a command from the paired gamepad.
-     * @param name TODO
-     * @param body TODO
+     * @param name button name
+     * @param body code to run when button is pressed
      */
     //% help=devices/on-gamepad-button weight=40
     //% weight=25
diff --git a/libs/microbit-devices/pxt.json b/libs/microbit-devices/pxt.json
index ec7b6ee6..ca3a681c 100644
--- a/libs/microbit-devices/pxt.json
+++ b/libs/microbit-devices/pxt.json
@@ -20,5 +20,5 @@
             }
         }
     },
-    "installedVersion": "zakvul"
+    "installedVersion": "ljipgq"
 }
diff --git a/libs/microbit-devices/shims.d.ts b/libs/microbit-devices/shims.d.ts
index 7745a194..97bf4431 100644
--- a/libs/microbit-devices/shims.d.ts
+++ b/libs/microbit-devices/shims.d.ts
@@ -7,7 +7,7 @@ declare namespace devices {
 
     /**
      * Sends a ``camera`` command to the parent device.
-     * @param event TODO
+     * @param event event description
      */
     //% weight=30 help=devices/tell-camera-to
     //% blockId=devices_camera icon="\uf030" block="tell camera to|%property" blockGap=8 shim=devices::tellCameraTo
@@ -15,7 +15,7 @@ declare namespace devices {
 
     /**
      * Sends a ``remote control`` command to the parent device.
-     * @param event TODO
+     * @param event event description
      */
     //% weight=29 help=devices/tell-remote-control-to
     //% blockId=devices_remote_control block="tell remote control to|%property" blockGap=14 icon="\uf144" shim=devices::tellRemoteControlTo
@@ -23,7 +23,7 @@ declare namespace devices {
 
     /**
      * Sends an ``alert`` command to the parent device.
-     * @param event TODO
+     * @param event event description
      */
     //% weight=27 help=devices/raise-alert-to
     //% blockId=devices_alert block="raise alert to|%property" icon="\uf0f3" shim=devices::raiseAlertTo
@@ -31,17 +31,17 @@ declare namespace devices {
 
     /**
      * Registers code to run when the device notifies about a particular event.
-     * @param event TODO
-     * @param body TODO
+     * @param event event description
+     * @param body code handler when event is triggered
      */
     //% help=devices/on-notified weight=26
-    //% blockId=devices_device_info_event block="on notified" icon="\uf10a" shim=devices::onNotified
+    //% blockId=devices_device_info_event block="on notified|%event" icon="\uf10a" shim=devices::onNotified
     function onNotified(event: MesDeviceInfo, body: () => void): void;
 
     /**
      * Register code to run when the micro:bit receives a command from the paired gamepad.
-     * @param name TODO
-     * @param body TODO
+     * @param name button name
+     * @param body code to run when button is pressed
      */
     //% help=devices/on-gamepad-button weight=40
     //% weight=25