diff --git a/cpp/src/arrow/device.h b/cpp/src/arrow/device.h
index b4d19c95129ac..622551c6bd040 100644
--- a/cpp/src/arrow/device.h
+++ b/cpp/src/arrow/device.h
@@ -376,7 +376,7 @@ using DeviceMapper =
 /// arrow::ImportDeviceArray/ImportDeviceRecordBatch).
 ///
 /// \param[in] device_type the device type for which to register a MemoryManager
-/// \param[in] memory_mapper function that takes a device id and returns the appropriate
+/// \param[in] mapper function that takes a device id and returns the appropriate
 /// MemoryManager for the registered device type and given device id
 /// \return Status
 ARROW_EXPORT