Where is "A Psalm of David. Jehovah `is' my shepherd, I do not lack," found in the Bible?

This verse is found in Psalms, chapter 23, verse 1 of the Young's Literal Translation (YLT) Bible translation.

Psalms 23:1 (YLT) - Bible Verse

A Psalm of David. Jehovah `is' my shepherd, I do not lack,

And Moses said, I will turn aside now, and see this great sight, why the bush is not burnt.