The last verse can be taken as a statement of fact (Good News Translation and most others) or as an exhortation (Revised Standard Version). This verse replaces the standard promise by the psalmist in a psalm like this to thank God (see 59.17) or to offer sacrifices to him (see 61.8).

“Because of what the LORD has done” represents in the LORD. The verb translated take refuge is the same one used in 2.12; and upright in heart (as in 11.2) is synonymous with the righteous in line a.

Quoted with permission from Bratcher, Robert G. and Reyburn, William D. A Handbook on the Book of Psalms. (UBS Helps for Translators). New York: UBS, 1991. For this and other handbooks for translators see here .