diff --git a/vocabularies/voc4cat/0005006.ttl b/vocabularies/voc4cat/0005006.ttl
index 2c74698..1a892ac 100644
--- a/vocabularies/voc4cat/0005006.ttl
+++ b/vocabularies/voc4cat/0005006.ttl
@@ -9,7 +9,7 @@ PREFIX xsd: <http://www.w3.org/2001/XMLSchema#>
         <https://w3id.org/nfdi4cat/voc4cat_0005001> ,
         <https://w3id.org/nfdi4cat/voc4cat_0005002> ,
         <https://w3id.org/nfdi4cat/voc4cat_0005003> ;
-    skos:definition """A physical quantity that describes the amount of product prodced per unit of time and unit of producing entity. The producing entity is for example the volume of a chemical reactor or in catalysis the mass or volume or moles of catalyst.
+    skos:definition """A physical quantity that describes the amount of product produced per unit of time and unit of producing entity. The producing entity is for example the volume of a chemical reactor or in catalysis the mass or volume or moles of catalyst.
 Example unit: kg{product} / (hour * cubicmeter{catalyst})"""@en ;
     skos:historyNote "0000-0002-5898-1820 David Linke created the resource"@en ;
     skos:inScheme <https://w3id.org/nfdi4cat/voc4cat_> ;
diff --git a/vocabularies/voc4cat/concept_scheme.ttl b/vocabularies/voc4cat/concept_scheme.ttl
index 21ab473..d1c0c17 100644
--- a/vocabularies/voc4cat/concept_scheme.ttl
+++ b/vocabularies/voc4cat/concept_scheme.ttl
@@ -15,7 +15,7 @@ PREFIX xsd: <http://www.w3.org/2001/XMLSchema#>
     dcterms:modified "2024-02-20"^^xsd:date ;
     dcterms:publisher <https://w3id.org/nfdi4cat/> ;
     owl:versionInfo "automatic" ;
-    skos:definition "A vocabulary for all areas of catalysis initiated in NFDI4Cat. Starting with photocatalysis we add more and more terms from other areas of catalysis and related disciplines like chemical enineering or materials science."@en ;
+    skos:definition "A vocabulary for all areas of catalysis initiated in NFDI4Cat. Starting with photocatalysis we add more and more terms from other areas of catalysis and related disciplines like chemical engineering or materials science."@en ;
     skos:hasTopConcept
         <https://w3id.org/nfdi4cat/voc4cat_0000001> ,
         <https://w3id.org/nfdi4cat/voc4cat_0005001> ,