Massah means temptation, and Meribah strife. Monuments of mercy should be set up accompanied with monuments of our unworthiness. Psalms 81:7. David refers to this: Psalms 95:8-9.
Related Commentaries of Exodus 17:7
Exodus 17:7
7 And he called the name of the place Massah,a and Meribah, because of the chiding of the children of Israel, and because they tempted the LORD, saying, Is the LORD among us, or not?