diff --git a/ontology/saref4ehaw.ttl b/ontology/saref4ehaw.ttl
index 4bc3fdc1c0f5a20efde79201489ef1a86bf6b804..7ef8c6382d4d29d13ce52a22a04565558ef3b7c7 100644
--- a/ontology/saref4ehaw.ttl
+++ b/ontology/saref4ehaw.ttl
@@ -7,17 +7,15 @@
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
 @prefix vann: <http://purl.org/vocab/vann/> .
 @prefix voaf: <http://purl.org/vocommons/voaf#> .
-@prefix saref: <https://saref.etsi.org/s4wear/> .
+@prefix saref: <https://saref.etsi.org/saref/> .
 @prefix s4ehaw: <https://saref.etsi.org/s4ehaw/> .
-@prefix s4wear: <https://saref.etsi.org/s4ehaw/> .
+@prefix s4wear: <https://saref.etsi.org/s4wear/> .
 @prefix dcterms: <http://purl.org/dc/terms/> .
 @base <https://saref.etsi.org/s4ehaw/> .
 
 <https://saref.etsi.org/s4ehaw/> rdf:type owl:Ontology ;
                                  
-                                 rdfs:label "SAREF4EHAW"@en ,
-                                            "max value"@en ,
-                                            "min value"@en ;
+                                 rdfs:label "SAREF4EHAW"@en ;
                                  
                                  dcterms:issued "date when the document is online"^^xsd:date ;
                                  
@@ -37,11 +35,9 @@
                                  
                                  owl:versionInfo "v0.1.2" ;
                                  
-                                 rdfs:comment "the maximum value a data can take." ;
-                                 
                                  dcterms:license <https://forge.etsi.org/etsi-software-license> ;
                                  
-                                 dcterms:source <https://forge.etsi.org/rep/SAREF/s44ehaw/> ;
+                                 dcterms:source <https://forge.etsi.org/rep/SAREF/s4ehaw/> ;
                                  
                                  owl:versionIRI <https://saref.etsi.org/s4ehaw/v0.1.2/s4ehaw/> ;
                                  
@@ -2069,15 +2065,15 @@ foaf:Person rdf:type owl:Class .
 
 
 
-###  https://saref.etsi.org/s4ehaw/Wearable
+###  https://saref.etsi.org/s4wear/Wearable
 
-:Wearable rdf:type owl:Class ;
+s4wear:Wearable rdf:type owl:Class ;
           
           rdfs:subClassOf :HealthDevice .
 
 
 
-###  https://saref.etsi.org/s4wear/Actuator
+###  https://saref.etsi.org/saref/Actuator
 
 saref:Actuator rdf:type owl:Class ;
                
@@ -2085,13 +2081,13 @@ saref:Actuator rdf:type owl:Class ;
 
 
 
-###  https://saref.etsi.org/s4wear/Command
+###  https://saref.etsi.org/saref/Command
 
 saref:Command rdf:type owl:Class .
 
 
 
-###  https://saref.etsi.org/s4wear/Device
+###  https://saref.etsi.org/saref/Device
 
 saref:Device rdf:type owl:Class .
 
@@ -2111,13 +2107,13 @@ saref:Sensor rdf:type owl:Class ;
 
 
 
-###  https://saref.etsi.org/s4wear/Service
+###  https://saref.etsi.org/saref/Service
 
 saref:Service rdf:type owl:Class .
 
 
 
-###  https://saref.etsi.org/s4wear/UnitOfMeasure
+###  https://saref.etsi.org/saref/UnitOfMeasure
 
 saref:UnitOfMeasure rdf:type owl:Class .