diff --git a/Packages/Cartesian_kernel/changes.txt b/Packages/Cartesian_kernel/changes.txt
index 1c27d03362b..dd085113913 100644
--- a/Packages/Cartesian_kernel/changes.txt
+++ b/Packages/Cartesian_kernel/changes.txt
@@ -1,3 +1,6 @@
+Version 6.88 (2 June 2003) 
+- bbox() of Point, Circle, Sphere now use to_interval
+ 
 Version 6.87 (30 May 2003)
 - Workaround "using namespace" for VC++ 7.