(no commit message)

diff --git a/README.rst b/README.rst
index 9d8808a7762cd74b81ce99b90dbbe592bb673126..238ba169573bd9eb86616807d65de5f07673edd1 100644 (file)
--- a/README.rst
+++ b/README.rst
@@ -10,6 +10,10 @@ RFC 1912 says:
 \r
  Expire: 2-4 weeks are suggested values.\r
 \r
+- 2 weeks: 2*24*60*60 = 172800\r
+- 4 weeks: 4*24*60*60 = 345600\r
+\r
+\r
 Test::\r
 \r
   $ dig @ns1.cweiske.de +short SOA cweiske.de\r