diff --git a/reference/curl/constants.xml b/reference/curl/constants.xml
index 76b21f8c17..a173529d8b 100644
--- a/reference/curl/constants.xml
+++ b/reference/curl/constants.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.3 $ -->
+<!-- $Revision: 1.4 $ -->
 <section id="curl.constants">
  &reftitle.constants;
  &extension.constants;
@@ -1266,6 +1266,19 @@
    </listitem>
   </varlistentry>
  </variablelist>
+ <variablelist>
+  <varlistentry>
+   <term>
+    <constant>CURLOPT_PROXYAUTH</constant>
+    (<type>integer</type>)
+   </term>
+   <listitem>
+    <simpara>
+     
+    </simpara>
+   </listitem>
+  </varlistentry>
+ </variablelist>
  <variablelist>
   <varlistentry>
    <term>