Change 3rd paragraph

Whether the offset addresses the high-order or low-order byte is based on the
value of the BYTE_ORDER static boolean variable in class RealtimeSystem.

to

Whether the offset specifies the most-significant or least-significant byte of a multi-byte
value is affected by the BYTE_ORDER static variable in class RealtimeSystem, possibly amended
by a byte swapping attribute associated with the underlying physical memory type.