diff --git a/io.catenax.demand_and_capacity_notification/2.0.0/DemandAndCapacityNotification.ttl b/io.catenax.demand_and_capacity_notification/2.0.0/DemandAndCapacityNotification.ttl
index a467a810..dd9833ed 100644
--- a/io.catenax.demand_and_capacity_notification/2.0.0/DemandAndCapacityNotification.ttl
+++ b/io.catenax.demand_and_capacity_notification/2.0.0/DemandAndCapacityNotification.ttl
@@ -178,7 +178,7 @@
    samm:dataType xsd:string .
 
 :TextLengthConstraint a samm-c:LengthConstraint ;
-   samm:preferredName "UserInputConstraint"@en ;
+   samm:preferredName "User Input Constraint"@en ;
    samm:description "Constraint for a string to be max. 4000 characters long."@en ;
    samm-c:maxValue "4000"^^xsd:nonNegativeInteger .
 
diff --git a/io.catenax.demand_and_capacity_notification/RELEASE_NOTES.md b/io.catenax.demand_and_capacity_notification/RELEASE_NOTES.md
index 5e3499f2..da849da9 100644
--- a/io.catenax.demand_and_capacity_notification/RELEASE_NOTES.md
+++ b/io.catenax.demand_and_capacity_notification/RELEASE_NOTES.md
@@ -11,6 +11,7 @@ All notable changes to this model will be documented in this file.
 ### Changed
 
 - relatedSourceMessageId: renamed to sourceNotificationId and reframed semantics
+- preferredName of TextLengthConstraint was CamelCase
 
 ### Removed