Old Testament readings use the Septuagint , the Scripture the apostles quoted. Masoretic numbering shown for reference.Learn why
KJV

Exodus 26:23

And two boards shalt thou make for the corners of the tabernacle in the two sides.

Parallel Translations

LXXView canonical →
And thou shalt make two posts on the corners of the tabernacle behind.
Brenton's Septuagint Translation
LXX2012View canonical →
And you shall make two posts on the corners of the tabernacle behind.
Septuagint in American English (2012)
WEBView canonical →
You shall make two boards for the corners of the tabernacle in the far side.
World English Bible