diff --git a/ontology/saref4ehaw.ttl b/ontology/saref4ehaw.ttl
index cfb27829740ca682f7cc13749ceef2c951da073b..3d0c7da9365d29cc6f62876a32bbeaa10883c787 100644
--- a/ontology/saref4ehaw.ttl
+++ b/ontology/saref4ehaw.ttl
@@ -354,7 +354,7 @@ s4ehaw:groundingProtocol rdf:type owl:ObjectProperty ;
 s4ehaw:precision rdf:type owl:ObjectProperty ;
                  rdfs:domain s4ehaw:MeasurementFunction ;
                  rdfs:range ssn-system:Precision ;
-                 rdfs:comment "Precision refers to the degree of reproducibility of a measured quantity (when the same quantity is measured several times how close are the measurements from each other), in percent."@en ;
+                 rdfs:comment "Precision refers to the degree of reproducibility of a measured quantity (when the same quantity is measured several times how close are the measurements from each other)."@en ;
                  rdfs:label "precision"@en .