Show dangling volume info only when required.

cmd/volume/volume_list.go

@@ -85,7 +85,18 @@ Example: civo volume ls -o custom -f "ID: Name (SizeGigabytes)`,
 			return volumes[i].Name < volumes[j].Name
 		})
 
-		utility.Info("Volumes with status 'dangling' mean they are attached to a cluster that no longer exists. You can attach them to an instance, or delete them if they are no longer needed.")
+		hasDanglingVolumes := false
+		for _, volume := range volumes {
+			if volume.Status == "dangling" {
+				hasDanglingVolumes = true
+				break
+			}
+		}
+
+		if hasDanglingVolumes {
+			utility.Info("Volumes with status 'dangling' mean they are attached to a cluster that no longer exists. You can attach them to an instance, or delete them if they are no longer needed.")
+		}
+
 		for _, volume := range volumes {
 			ow.StartLine()
 			ow.AppendDataWithLabel("id", volume.ID, "ID")