What does 2 Chronicles 36:22 mean?

In the very first year that Cyrus was king of Persia, God stirred up his heart to make a public announcement all across his empire, and he even put it in writing. 2 Chronicles 36:22 - Modern Text Bible

(This marks the start of a new chapter for the Jewish people. Cyrus, a foreign king, is moved by God to let the exiles go home. The written decree makes it official and public.)