Fix incorrect volume size fmt.Errorf string

libvirt/resource_libvirt_volume.go

@@ -164,7 +164,7 @@ func resourceLibvirtVolumeCreate(d *schema.ResourceData, meta interface{}) error
 		if _, ok := d.GetOk("size"); ok {
 			volumeDef.Capacity.Value = uint64(d.Get("size").(int))
 			if volumeDef.Capacity.Value % 512 != 0 {
-				return fmt.Errorf("Volume size %d is not a multiple of 512 bytes. This would lead to volume replacement and data loss at the next apply invocation.", volumeDef.Capacity.Value)
+				return fmt.Errorf("Custom volume size %d must be a multiple of 512 bytes", volumeDef.Capacity.Value)
 			}
 		}