diff --git a/libguile/ChangeLog b/libguile/ChangeLog
index be6b29b7e..1458ff1b4 100644
--- a/libguile/ChangeLog
+++ b/libguile/ChangeLog
@@ -1,5 +1,8 @@
 1999-07-19  Jim Blandy  <jimb@savonarola.red-bean.com>
 
+	* guardians.c (scm_guardian_zombify): Separate scanning for
+	zombies from marking the pairs of the free list.
+	
 	* guardians.c (scm_guardian_zombify): Don't set marks manually ---
 	use the macros.  (Thanks to Michael Livshin.)