13 These were the waters of Meribah,a where the Israelites quarreled with the LORD and where he was proved holy among them.

Read Numbers 20:13 Using Other Translations

This is the water of Meribah; because the children of Israel strove with the LORD, and he was sanctified in them.
These are the waters of Meribah, where the people of Israel quarreled with the LORD, and through them he showed himself holy.
This place was known as the waters of Meribah (which means “arguing”) because there the people of Israel argued with the LORD, and there he demonstrated his holiness among them.