Mention :into / :as for classify / categorize

S32-setting-library/Containers.pod

@@ -180,6 +180,10 @@ a Hash of Lists.  All higher up classifications, will necessarily always be a
 Hash of Hashes.  Please note that all Parcels must have the same number of
 elements.
 
+Two optional named parameters can be specified:
+- into   specify hash into which should be classified
+- as     specify code block to get the value to actually classify
+
 To categorize values into multiple categories, see C<categorize>.
 
 =item categorize
@@ -214,6 +218,10 @@ a Hash of Lists.  All higher up categorizations, will necessarily always be a
 Hash of Hashes.  Please note that all Parcels must have the same number of
 elements.
 
+Two optional named parameters can be specified:
+- into   specify hash into which should be categorized
+- as     specify code block to get the value to actually categorize
+
 =item grep
 
  multi method grep ( @values: Matcher $test --> List )