diff --git a/release-packaging/HelpSource/Classes/FluidNormalize.schelp b/release-packaging/HelpSource/Classes/FluidNormalize.schelp
index 985d966..28a10c2 100644
--- a/release-packaging/HelpSource/Classes/FluidNormalize.schelp
+++ b/release-packaging/HelpSource/Classes/FluidNormalize.schelp
@@ -20,6 +20,8 @@ ARGUMENT:: min
 Minimum output value, default 0
 ARGUMENT:: max
 Maximum output value, default 1
+ARGUMENT:: invert
+The direction in which the normalization will occur for transform and transformpoint. The default 0 is taking in the range of the input used to fit and transforms it towards the normalised range. A value of 1 will expect an input of the normalized range to transform back to the original range.
 
 
 INSTANCEMETHODS::
diff --git a/release-packaging/HelpSource/Classes/FluidStandardize.schelp b/release-packaging/HelpSource/Classes/FluidStandardize.schelp
index 6c13d2a..1c8dd90 100644
--- a/release-packaging/HelpSource/Classes/FluidStandardize.schelp
+++ b/release-packaging/HelpSource/Classes/FluidStandardize.schelp
@@ -14,6 +14,8 @@ METHOD:: new
 Create a new instance
 ARGUMENT:: server
 The server for this model
+ARGUMENT:: invert
+The direction in which the standardization will occur for transform and transformpoint. The default 0 is taking in the range of the input used to fit and transforms it towards the standardized range. A value of 1 will expect an input of the standardized range to transform back to the original range.
 
 INSTANCEMETHODS::