diff --git a/src/documentation.ttl b/src/documentation.ttl
index d85bb1d..d7c6bf6 100644
--- a/src/documentation.ttl
+++ b/src/documentation.ttl
@@ -320,6 +320,9 @@ foaf:homepage rbdoc:hasDocGroup rbdoc:groupGeneralInfo ;
               rbdoc:hasDocWeight "20"^^xsd:int .
 
 
+rb:AsciiControlCharacterCountStatistics rbdoc:hasLabelOverride "ASCII control chars"@en .
+
+
 rb:BlankNodeCountStatistics rbdoc:hasLabelOverride "Blank nodes"@en .
 
 
@@ -447,8 +450,8 @@ rb:standardDeviation rbdoc:hasLabelOverride "St. dev."@en ;
 rb:sum rbdoc:hasDocWeight "2100"^^xsd:int .
 
 
-rb:uniqueCount rbdoc:hasDocWeight "2101"^^xsd:int ;
-               rbdoc:hasLabelOverride "Unique (approx.)"@en .
+rb:uniqueCount rbdoc:hasLabelOverride "Unique (approx.)"@en ;
+               rbdoc:hasDocWeight "2101"^^xsd:int .
 
 
 rb:usesGeneralizedRdfDatasets rbdoc:hasDocGroup rbdoc:groupTechnicalMetadata ;
diff --git a/src/metadata.ttl b/src/metadata.ttl
index ad30274..4049a06 100644
--- a/src/metadata.ttl
+++ b/src/metadata.ttl
@@ -496,6 +496,13 @@ dcat:DatasetSeries rdf:type owl:Class ;
 sh:NodeShape rdf:type owl:Class .
 
 
+###  https://w3id.org/riverbench/schema/metadata#AsciiControlCharacterCountStatistics
+rb:AsciiControlCharacterCountStatistics rdf:type owl:Class ;
+                                        rdfs:subClassOf rb:Statistics ;
+                                        rdfs:comment "Statistics about the number of ASCII control characters except HT, LF, and CR (0x00-0x08, 0x0B, 0x0C, 0x0E-0x1F) in literals. These characters are allowed in RDF literals, but some serializations (e.g., RDF/XML) may not be able to encode them. See the documentation page \"Dataset compatibility notes\" for more details."@en ;
+                                        rdfs:label "ASCII control character count statistics"@en .
+
+
 ###  https://w3id.org/riverbench/schema/metadata#BenchmarkProtocol
 rb:BenchmarkProtocol rdf:type owl:Class ;
                      rdfs:subClassOf irao:Protocol ,