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-rw-r--r--modules/pam_pwhistory/pam_pwhistory.8.xml4
1 files changed, 3 insertions, 1 deletions
diff --git a/modules/pam_pwhistory/pam_pwhistory.8.xml b/modules/pam_pwhistory/pam_pwhistory.8.xml
index 7696353f..9e1056b2 100644
--- a/modules/pam_pwhistory/pam_pwhistory.8.xml
+++ b/modules/pam_pwhistory/pam_pwhistory.8.xml
@@ -105,7 +105,9 @@
<para>
The last <replaceable>N</replaceable> passwords for each
user are saved in <filename>/etc/security/opasswd</filename>.
- The default is <emphasis>10</emphasis>.
+ The default is <emphasis>10</emphasis>. Value of
+ <emphasis>0</emphasis> makes the module to keep the existing
+ contents of the <filename>opasswd</filename> file unchanged.
</para>
</listitem>
</varlistentry>