diff --git a/libguile/ChangeLog b/libguile/ChangeLog
index c714a3cc5..d7f579edc 100644
--- a/libguile/ChangeLog
+++ b/libguile/ChangeLog
@@ -1,3 +1,7 @@
+2000-05-23  Michael Livshin  <mlivshin@bigfoot.com>
+
+	* gc.c (scm_heap_seg_data_t): fixed comment for the `span' member.
+
 2000-05-22  Michael Livshin  <mlivshin@bigfoot.com>
 
 	* guile-doc-snarf.in: put the preprocessed file through sed to
diff --git a/libguile/gc.c b/libguile/gc.c
index 52a85c124..cf463fae2 100644
--- a/libguile/gc.c
+++ b/libguile/gc.c
@@ -280,7 +280,7 @@ typedef struct scm_heap_seg_data_t
      All segments usually point to the same one, scm_freelist.  */
   scm_freelist_t *freelist;
 
-  /* number of SCM words per object in this segment */
+  /* number of cells per object in this segment */
   int span;
 
   /* If SEG_DATA->valid is non-zero, the conservative marking