Sentence:  These <WSD>amendments</WSD> to the Vocational Rehabilitation Act were designed to help provide for more specialized rehabilitation facilities , for more sheltered and `` half-way '' workshops , for greater numbers of adequately trained personnel , for more comprehensive services to individuals ( particularly to the homebound and the blind ) , and for other administrative improvements to increase the program 's overall effectiveness . 
Meaning of the word marked with <WSD> tags:  the act of amending or correcting