Typo in German Document Workflow

When logged in to Hippo CMS and trying to depublish a used document you will be warned that the document is already in use. This warning contains a typo in German. See screenshot:

I couldn't find the property file where this German label is configured, but the English version is the following: 

https://code.onehippo.org/cms-community/hippo-cms/blob/hippo-cms-5.3.0/workflow/frontend/src/main/java/org/hippoecm/frontend/plugins/reviewedactions/AbstractDocumentWorkflowPlugin.properties 

depublish-message=Are you sure you want to take document '{0}' offline?