<prompt> Translate the following text to SwahiliChanges in the estimated system size may indicate that the project was overestimated or underestimated in size and complexity.  <response>: Mabadiliko katika ukubwa wa mfumo uliokadiriwa yanaweza kuonyesha kwamba mradi huo ulikadiriwa kupita kiasi au kukadiriwa chini katika ukubwa na utata. 