diff --git a/hawkbit-ui/src/main/resources/messages.properties b/hawkbit-ui/src/main/resources/messages.properties
index 5ab910cc8..354aa11fe 100644
--- a/hawkbit-ui/src/main/resources/messages.properties
+++ b/hawkbit-ui/src/main/resources/messages.properties
@@ -626,8 +626,8 @@ header.numberofgroups = Groups
 header.detail.status = Detail status
 
 header.rolloutgroup.installed.percentage = % Finished
-header.rolloutgroup.threshold.error = Error threshold
-header.rolloutgroup.threshold = Trigger threshold
+header.rolloutgroup.threshold.error = % Error threshold
+header.rolloutgroup.threshold = % Trigger threshold
 header.rolloutgroup.target.date = Date and time
 header.rolloutgroup.target.message = Messages
 rollout.group.label.target.truncated = {0} targets has been truncated in the list due the target size limit of {1}