diff --git a/copyright b/copyright
index caf581c73ae..33660cfa845 100755
--- a/copyright
+++ b/copyright
@@ -57,7 +57,7 @@ R = RU Groningen
  Jet_fitting_3                  I
  Kernel_23                      ETIMU
  Kernel_d                       ETIMU
- Kinetic_data_structures        sent a mail to Leo Guibas
+ Kinetic_data_structures        Stanfor; Leo Guibas agrees to upgrade
  LEDA                           ETIMU
  Largest_empty_rect_2           T
  MacOSX                         F