What does the (correction) mean in the output?

What does the (correction) mean in the output?

POLICY AND TRANSITION FUNCTIONS
c
Constant -0.178268
(correction) 0.000028
k(-1) 0.804421

Using the notations of section 4.13.4 in Dynare’s manual (about second order approximation)… The constant is equal to y^s+.5*\Delta^2 and the correction is .5*\Delta^2. Put differently, the constant minus the correction is equal to the deterministic steady state.

Best, Stéphane.