diff --git a/lib/AI/Categorizer/FeatureSelector/CategorySelector.pm b/lib/AI/Categorizer/FeatureSelector/CategorySelector.pm
index c609935..0b8f301 100644
--- a/lib/AI/Categorizer/FeatureSelector/CategorySelector.pm
+++ b/lib/AI/Categorizer/FeatureSelector/CategorySelector.pm
@@ -106,6 +106,10 @@ sub prog_bar {
 
 __END__
 
+=head1 NAME
+
+AI::Categorizer::CategorySelector - Abstract Category Selection class
+
 =head1 SYNOPSIS
 
 This class is abstract. For example of instantiation, see
diff --git a/lib/AI/Categorizer/FeatureSelector/ChiSquare.pm b/lib/AI/Categorizer/FeatureSelector/ChiSquare.pm
index 4d10440..61e5672 100644
--- a/lib/AI/Categorizer/FeatureSelector/ChiSquare.pm
+++ b/lib/AI/Categorizer/FeatureSelector/ChiSquare.pm
@@ -38,6 +38,10 @@ sub reduction_function {
 
 __END__
 
+=head1 NAME
+
+AI::Categorizer::FeatureSelector::ChiSquare - ChiSquare Feature Selection class
+
 =head1 SYNOPSIS
 
  # the recommended way to use this class is to let the KnowledgeSet