diff --git a/README b/README
index a59cf05..1770501 100644
--- a/README
+++ b/README
@@ -61,8 +61,8 @@ NOTES
 
        The rank of directories maintained by z undergoes aging based on a sim‐
        ple  formula.  The  rank  of each entry is incremented every time it is
-       accessed. When the sum of ranks is greater than	1000,  all  ranks  are
-       multiplied by 0.9. Entries with a rank lower than 1 are forgotten.
+       accessed. When the sum of ranks is greater than	6000,  all  ranks  are
+       multiplied by 0.99. Entries with a rank lower than 1 are forgotten.
 
        Frecency:
 
diff --git a/z.1 b/z.1
index 3c8709b..d79bec4 100644
--- a/z.1
+++ b/z.1
@@ -66,7 +66,7 @@ Optionally:
 .P
 The rank of directories maintained by \fBz\fR undergoes aging based on a simple
 formula. The rank of each entry is incremented every time it is accessed. When
-the sum of ranks is greater than 1000, all ranks are multiplied by 0.9. Entries
+the sum of ranks is greater than 6000, all ranks are multiplied by 0.99. Entries
 with a rank lower than 1 are forgotten.
 .br