The term 'make improvements to' can be expressed in three different ways: EMEND (5 letters), AMEND (5 letters), and AMELIORATE (10 letters). EMEND means to make corrections or revisions to a text, while AMEND means to make changes to a law or document. AMELIORATE is a more general term that means to make something better or improve it. All three terms refer to making improvements to something, whether it be a text, law, or other item.