diff --git a/main.ts b/main.ts
index 768cb24..535bb7c 100644
--- a/main.ts
+++ b/main.ts
@@ -375,7 +375,7 @@ namespace grove {
          * @param xPin
          * @param yPin
          */
-        //% blockId=grove_joystick_read block="%strip|read position of joystick"
+        //% blockId=grove_joystick_read block="%strip|read position of joystick at|%xpin|and|%ypin"
         //% advanced=true
         read(xPin: AnalogPin, yPin: AnalogPin): number {
             let xdata = 0, ydata = 0, result = 0;
@@ -548,7 +548,7 @@ namespace grove {
      * @param ypin
      * @param handler code to run
      */
-    //% blockId=grove_joystick_create_event block="on Key|%key"
+    //% blockId=grove_joystick_create_event block="on Key|%key at |%xpin|and|%ypin"
     export function onJoystick(key: GroveJoystickKey, xpin: AnalogPin, ypin: AnalogPin, handler: () => void) {
         control.onEvent(joystickEventID, key, handler);
         control.inBackground(() => {