OO-4775: Added text to clarify meaning of files and deleted files

src/main/java/org/olat/core/commons/services/vfs/ui/management/VFSOverviewController.java

@@ -156,6 +156,9 @@ public class VFSOverviewController extends FormBasicController {
 		trashLink = uifactory.addFormLink("vfs.overview.trashlink", formLayout);
 		versionsLink = uifactory.addFormLink("vfs.overview.versionslink", formLayout);
 		thumbnailLink = uifactory.addFormLink("vfs.overview.thumbnaillink", formLayout); 
+		
+		uifactory.addStaticTextElement("vfs.overview.files.note", null, translate("vfs.overview.files.note"), overviewLayout);
+		
 	}
 
 	@Override

src/main/java/org/olat/core/commons/services/vfs/ui/management/_i18n/LocalStrings_de.properties

 vfs.overview.action=Aktion
 vfs.overview.amount=Anzahl
-vfs.overview.files=Dateien
+vfs.overview.files=Dateien *
+vfs.overview.files.note=* Enth\u00e4lt keine gel\u00f6schten Dateien, Versionen oder Thumbnails
 vfs.overview.fileslink=Zeige gro\u00dfe Dateien
 vfs.overview.name=Name
 vfs.overview.size=Gr\u00f6\u00dfe

src/main/java/org/olat/core/commons/services/vfs/ui/management/_i18n/LocalStrings_en.properties

 vfs.overview.action=Action
 vfs.overview.amount=Amount
-vfs.overview.files=Files
+vfs.overview.files=Files *
+vfs.overview.files.note=* Not including deleted files, versions or thumbnails
 vfs.overview.fileslink=Show large files
 vfs.overview.name=Name
 vfs.overview.size=Size