nimble/mesh: Fix BLE_MESH_PB_GATT syscfg description
@@ -40,7 +40,7 @@ syscfg.defs:
BLE_MESH_PB_GATT:
description: >
Enable this option to allow the device to be provisioned over
- the advertising bearer.
+ the GATT bearer.
value: 1
BLE_MESH_GATT_PROXY:
