diff --git a/libs/core/_locales/core-jsdoc-strings.json b/libs/core/_locales/core-jsdoc-strings.json
index 8c9f35c5..6a2f6159 100644
--- a/libs/core/_locales/core-jsdoc-strings.json
+++ b/libs/core/_locales/core-jsdoc-strings.json
@@ -78,8 +78,8 @@
   "Gesture.FreeFall": "Raised when the board is falling!",
   "Gesture.LogoDown": "Raised when the logo is downward and the screen is vertical",
   "Gesture.LogoUp": "Raised when the logo is upward and the screen is vertical",
-  "Gesture.ScreenDown": "Raised when the screen is pointing up and the board is horizontal",
-  "Gesture.ScreenUp": "Raised when the screen is pointing down and the board is horizontal",
+  "Gesture.ScreenDown": "Raised when the screen is pointing down and the board is horizontal",
+  "Gesture.ScreenUp": "Raised when the screen is pointing up and the board is horizontal",
   "Gesture.Shake": "Raised when shaken",
   "Gesture.SixG": "Raised when a 6G shock is detected",
   "Gesture.ThreeG": "Raised when a 3G shock is detected",
diff --git a/libs/core/_locales/core-strings.json b/libs/core/_locales/core-strings.json
index 112dc81d..20ade036 100644
--- a/libs/core/_locales/core-strings.json
+++ b/libs/core/_locales/core-strings.json
@@ -81,9 +81,9 @@
   "Gesture.LogoDown|block": "logo down",
   "Gesture.LogoUp": "Raised when the logo is upward and the screen is vertical",
   "Gesture.LogoUp|block": "logo up",
-  "Gesture.ScreenDown": "Raised when the screen is pointing up and the board is horizontal",
+  "Gesture.ScreenDown": "Raised when the screen is pointing down and the board is horizontal",
   "Gesture.ScreenDown|block": "screen down",
-  "Gesture.ScreenUp": "Raised when the screen is pointing down and the board is horizontal",
+  "Gesture.ScreenUp": "Raised when the screen is pointing up and the board is horizontal",
   "Gesture.ScreenUp|block": "screen up",
   "Gesture.Shake": "Raised when shaken",
   "Gesture.Shake|block": "shake",
diff --git a/libs/core/enums.d.ts b/libs/core/enums.d.ts
index 8c70fe7c..639772ab 100644
--- a/libs/core/enums.d.ts
+++ b/libs/core/enums.d.ts
@@ -110,13 +110,13 @@ declare namespace basic {
     //% jres=gestures.tiltbackwards
     LogoDown = 2,  // MICROBIT_ACCELEROMETER_EVT_TILT_DOWN
     /**
-     * Raised when the screen is pointing down and the board is horizontal
+     * Raised when the screen is pointing up and the board is horizontal
      */
     //% block="screen up"
     //% jres=gestures.frontsideup
     ScreenUp = 5,  // MICROBIT_ACCELEROMETER_EVT_FACE_UP
     /**
-     * Raised when the screen is pointing up and the board is horizontal
+     * Raised when the screen is pointing down and the board is horizontal
      */
     //% block="screen down"
     //% jres=gestures.backsideup