What does Nehemiah 13:22 mean?

Then I told the Levites to purify themselves and go guard the gates, to keep the Sabbath day holy. God, please remember me for this too, and show me your faithful love. Nehemiah 13:22 - Modern Text Bible

(Nehemiah assigns the Levites to guard the gates and keep the Sabbath sacred, and he prays that God will remember his efforts and show him kindness.)