diff -up Linux-PAM-1.1.8/doc/man/pam_fail_delay.3.xml.delay Linux-PAM-1.1.8/doc/man/pam_fail_delay.3.xml
--- Linux-PAM-1.1.8/doc/man/pam_fail_delay.3.xml.delay	2013-06-18 16:11:21.000000000 +0200
+++ Linux-PAM-1.1.8/doc/man/pam_fail_delay.3.xml	2016-05-30 12:08:40.708053159 +0200
@@ -39,7 +39,7 @@
       <citerefentry>
         <refentrytitle>pam_authenticate</refentrytitle><manvolnum>3</manvolnum>
       </citerefentry> fail, the failing return to the application is
-      delayed by an amount of time randomly distributed (by up to 25%)
+      delayed by an amount of time randomly distributed (by up to 50%)
       about this longest value.
     </para>
     <para>
@@ -135,7 +135,7 @@ void (*delay_fn)(int retval, unsigned us
 
     <para>
       if the modules do not request a delay, the failure delay will be
-      between 2.25 and 3.75 seconds.
+      between 1.5 and 4.5 seconds.
     </para>
 
     <para>
@@ -150,7 +150,7 @@ module #2:    pam_fail_delay (pamh, 4000
 
     <para>
       in this case, it is the largest requested value that is used to
-      compute the actual failed delay: here between 3 and 5 seconds.
+      compute the actual failed delay: here between 2 and 6 seconds.
     </para>
   </refsect1>