Float-displace vs intrusion-displace

Hello,

in the process of translating the Recommendation, I'm stumbling on a
trait which doesn't seem to be referenced anywhere else.

It is the "float-displace" trait in Section 4.4.2 Intrusion adjustments,
repeated half a dozen times throughout the section.

Could it be an error, and "float-displace" should read
"intrusion-displace"?

TIA,

JJS. 
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