ID 340091 - [Docs] MatchGrade "Create OCIOFile-Transform" button needs clarification

Problem summary
MatchGrade "Create OCIOFile-Transform" button needs clarification

Customer reported version
nuke.n/a

Customer reported platform
Nuke Documentation

Steps to reproduce
1) Navigate to the "MatchGrade" node (found under Reference Guide>Color Nodes) in the Nuke documentation.
2) View documentation for the "Create OCIOFile-Transform" knob.
Expected behaviour
Documentation should mention pre-requisite of specifying/writing a .csp file via the "LUT output file" knob.

Actual behaviour
Documentation does not mention this pre-requisite.