diff --git a/release-packaging/HelpSource/Classes/FluidGain.schelp b/release-packaging/HelpSource/Classes/FluidGain.schelp
index e013166..30775f1 100644
--- a/release-packaging/HelpSource/Classes/FluidGain.schelp
+++ b/release-packaging/HelpSource/Classes/FluidGain.schelp
@@ -1,6 +1,6 @@
 TITLE:: FluidGain
 SUMMARY:: Real-Time Buffered Gain Changer
-CATEGORIES:: UGens>Algebraic, Libraries>FluidCorpusManipulation, UGens>Buffer
+CATEGORIES:: Libraries>FluidCorpusManipulation, UGens>Algebraic,UGens>Buffer
 RELATED::  Guides/FluidCorpusManipulation,Classes/UnaryOpFunction
 
 
diff --git a/release-packaging/HelpSource/Classes/FluidKNNClassifier.schelp b/release-packaging/HelpSource/Classes/FluidKNNClassifier.schelp
index 9166851..44f86d9 100644
--- a/release-packaging/HelpSource/Classes/FluidKNNClassifier.schelp
+++ b/release-packaging/HelpSource/Classes/FluidKNNClassifier.schelp
@@ -1,6 +1,6 @@
 TITLE:: FluidKNNClassifier
 summary:: Classify data with K Nearest Neighbours
-categories:: Classification, KNN
+categories:: Libraries>FluidCorpusManipulation
 related:: Classes/FluidKNNRegressor, Classes/FluidDataSet, Classes/FluidLabelSet
 
 DESCRIPTION::
diff --git a/release-packaging/HelpSource/Classes/FluidKNNRegressor.schelp b/release-packaging/HelpSource/Classes/FluidKNNRegressor.schelp
index b950e07..6ca7b14 100644
--- a/release-packaging/HelpSource/Classes/FluidKNNRegressor.schelp
+++ b/release-packaging/HelpSource/Classes/FluidKNNRegressor.schelp
@@ -1,6 +1,6 @@
 TITLE:: FluidKNNRegressor
 summary:: Regression with K Nearest Neighbours
-categories:: Regression
+categories:: Libraries>FluidCorpusManipulation
 related:: Classes/FluidKNNClassifier, Classes/FluidDataSet
 
 DESCRIPTION::
diff --git a/release-packaging/HelpSource/Classes/FluidMDS.schelp b/release-packaging/HelpSource/Classes/FluidMDS.schelp
index b1f7722..fc30f09 100644
--- a/release-packaging/HelpSource/Classes/FluidMDS.schelp
+++ b/release-packaging/HelpSource/Classes/FluidMDS.schelp
@@ -1,6 +1,6 @@
 TITLE:: FluidMDS
 summary:: Dimensionality Reduction with Multidimensional Scaling
-categories:: Dimensionality Reduction, Data Processing
+categories:: Libraries>FluidCorpusManipulation
 related:: Classes/FluidPCA, Classes/FluidDataSet
 
 DESCRIPTION::
diff --git a/release-packaging/HelpSource/Classes/FluidMLPClassifier.schelp b/release-packaging/HelpSource/Classes/FluidMLPClassifier.schelp
index f58b84f..d46ab6f 100644
--- a/release-packaging/HelpSource/Classes/FluidMLPClassifier.schelp
+++ b/release-packaging/HelpSource/Classes/FluidMLPClassifier.schelp
@@ -1,6 +1,6 @@
 TITLE:: FluidMLPClassifier
 summary:: Classification with a multi-layer perceptron
-categories:: Machine learning
+categories:: Libraries>FluidCorpusManipulation
 related:: Classes/FluidMLPRegressor, Classes/FluidDataSet
 
 Perform classification between a link::Classes/FluidDataSet:: and a link::Classes/FluidLabelSet:: using a Multi-Layer Perception neural network.
diff --git a/release-packaging/HelpSource/Classes/FluidMLPRegressor.schelp b/release-packaging/HelpSource/Classes/FluidMLPRegressor.schelp
index 2b8a8c0..5a0c28b 100644
--- a/release-packaging/HelpSource/Classes/FluidMLPRegressor.schelp
+++ b/release-packaging/HelpSource/Classes/FluidMLPRegressor.schelp
@@ -1,6 +1,6 @@
 TITLE:: FluidMLPRegressor
 summary:: Regression with a multi-layer perceptron
-categories:: Machine learning
+categories:: Libraries>FluidCorpusManipulation
 related:: Classes/FluidMLPClassifier, Classes/FluidDataSet
 
 DESCRIPTION::
diff --git a/release-packaging/HelpSource/Classes/FluidPCA.schelp b/release-packaging/HelpSource/Classes/FluidPCA.schelp
index d271202..aab450c 100644
--- a/release-packaging/HelpSource/Classes/FluidPCA.schelp
+++ b/release-packaging/HelpSource/Classes/FluidPCA.schelp
@@ -1,6 +1,6 @@
 TITLE:: FluidPCA
 summary:: Dimensionality Reduction with Principal Component Analysis
-categories:: Dimensionality Reduction, Data Processing
+categories:: Libraries>FluidCorpusManipulation
 related:: Classes/FluidMDS, Classes/FluidDataSet
 
 DESCRIPTION::
diff --git a/release-packaging/HelpSource/Classes/FluidSTFTPass.schelp b/release-packaging/HelpSource/Classes/FluidSTFTPass.schelp
index d834c36..c8f53f4 100644
--- a/release-packaging/HelpSource/Classes/FluidSTFTPass.schelp
+++ b/release-packaging/HelpSource/Classes/FluidSTFTPass.schelp
@@ -1,6 +1,6 @@
 TITLE:: FluidSTFTPass
 SUMMARY:: Real-Time FFT/IFFT return trip.
-CATEGORIES:: UGens>Algebraic, Libraries>FluidCorpusManipulation, UGens>Buffer
+CATEGORIES:: Libraries>FluidCorpusManipulation
 RELATED::  Guides/FluidCorpusManipulation,Classes/UnaryOpFunction
 
 
diff --git a/release-packaging/HelpSource/Classes/FluidUMAP.schelp b/release-packaging/HelpSource/Classes/FluidUMAP.schelp
index ab1be2b..38f794a 100644
--- a/release-packaging/HelpSource/Classes/FluidUMAP.schelp
+++ b/release-packaging/HelpSource/Classes/FluidUMAP.schelp
@@ -1,6 +1,6 @@
 TITLE:: FluidUMAP
 summary:: Dimensionality Reduction with Uniform Manifold Approximation and Projection
-categories:: Dimensionality Reduction, Data Processing
+categories:: Libraries>FluidCorpusManipulation
 related:: Classes/FluidMDS, Classes/FluidPCA, Classes/FluidDataSet
 
 DESCRIPTION::