diff --git a/locales/en/messages.json b/locales/en/messages.json
index b6a1adf0c4..f87bb54b8a 100644
--- a/locales/en/messages.json
+++ b/locales/en/messages.json
@@ -967,6 +967,10 @@
         "message": "The accelerometer has not been calibrated and features are enabled that rely on it. Calibrate the accelerometer.",
         "description": "Message that pops up to describe the NO_ACC_CAL arming disable flag"
     },
+    "initialSetupArmingDisableFlagsTooltipMOTOR_PROTO": {
+        "message": "There is no motor output protocol selected",
+        "description": "Message that pops up to describe the MOTOR_PROTO arming disable flag"
+    },
     "initialSetupArmingDisableFlagsTooltipARM_SWITCH": {
         "message": "One of the others disarm flags is active when arming",
         "description": "Message that pops up to describe the ARM_SWITCH arming disable flag"