diff --git a/reference/network/constants.xml b/reference/network/constants.xml
index 20567ff77e..93c14b0f18 100644
--- a/reference/network/constants.xml
+++ b/reference/network/constants.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.3 $ -->
+<!-- $Revision: 1.4 $ -->
 <section id="network.constants">
  &reftitle.constants;
  &extension.constants.core;
@@ -33,6 +33,11 @@
        message is logged
       </entry>
      </row>
+     <row>
+      <entry>LOG_NOWAIT</entry>
+      <entry>
+      </entry>
+     </row>
      <row>
       <entry>LOG_PERROR</entry>
       <entry>print log message also to standard error</entry>
@@ -44,6 +49,72 @@
     </tbody>
    </tgroup>
   </table>
+
+  <table>
+   <title><function>openlog</function> Facilities</title>
+   <tgroup cols="2">
+    <thead>
+     <row>
+      <entry>Constant</entry>
+      <entry>Description</entry>
+     </row>
+    </thead>
+    <tbody>
+     <row>
+      <entry>LOG_AUTH</entry>
+      <entry>
+       security/authorization messages (use LOG_AUTHPRIV instead
+       in systems where that constant is defined)
+      </entry>
+     </row>
+     <row>
+      <entry>LOG_AUTHPRIV</entry>
+      <entry>security/authorization messages (private)</entry>
+     </row>
+     <row>
+      <entry>LOG_CRON</entry>
+      <entry>clock daemon (cron and at)</entry>
+     </row>
+     <row>
+      <entry>LOG_DAEMON</entry>
+      <entry>other system daemons</entry>
+     </row>
+     <row>
+      <entry>LOG_KERN</entry>
+      <entry>kernel messages</entry>
+     </row>
+     <row>
+      <entry>LOG_LOCAL0 ... LOG_LOCAL7</entry>
+      <entry>reserved for local use, these are not available in Windows</entry>
+     </row>
+     <row>
+      <entry>LOG_LPR</entry>
+      <entry>line printer subsystem</entry>
+     </row>
+     <row>
+      <entry>LOG_MAIL</entry>
+      <entry>mail subsystem</entry>
+     </row>
+     <row>
+      <entry>LOG_NEWS</entry>
+      <entry>USENET news subsystem</entry>
+     </row>
+     <row>
+      <entry>LOG_SYSLOG</entry>
+      <entry>messages generated internally by syslogd</entry>
+     </row>
+     <row>
+      <entry>LOG_USER</entry>
+      <entry>generic user-level messages</entry>
+     </row>
+     <row>
+      <entry>LOG_UUCP</entry>
+      <entry>UUCP subsystem</entry>
+     </row>
+    </tbody>
+   </tgroup>
+  </table>
+
   <table>
    <title><function>syslog</function> Priorities (in descending order)</title>
    <tgroup cols="2">