diff --git a/reference/ldap/configure.xml b/reference/ldap/configure.xml
index 91ad1c9edc..df37f83099 100644
--- a/reference/ldap/configure.xml
+++ b/reference/ldap/configure.xml
@@ -1,12 +1,14 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.6 $ -->
+<!-- $Revision: 1.7 $ -->
 <section id="ldap.installation">
  &reftitle.install;
  <para>
   LDAP support in PHP is not enabled by default. You will need to
   use the <option role="configure">--with-ldap[=DIR]</option>
   configuration option when compiling PHP to enable LDAP support.
-  DIR is the LDAP base install directory.
+  DIR is the LDAP base install directory. To enable SASL support,
+  be sure <option role="configure">--with-ldap-sasl[=DIR]</option> is
+  used, and that <filename>sasl.h</filename> exists on the system.
  </para>
  <note>
   <title>Note to Win32 Users</title>
diff --git a/reference/ldap/functions/ldap-sasl-bind.xml b/reference/ldap/functions/ldap-sasl-bind.xml
index b6f174cbfe..56d4552ee5 100755
--- a/reference/ldap/functions/ldap-sasl-bind.xml
+++ b/reference/ldap/functions/ldap-sasl-bind.xml
@@ -1,5 +1,5 @@
 <?xml version='1.0' encoding='iso-8859-1'?>
-<!-- $Revision: 1.1 $ -->
+<!-- $Revision: 1.2 $ -->
   <refentry id="function.ldap-sasl-bind">
    <refnamediv>
     <refname>ldap_sasl_bind</refname>
@@ -16,6 +16,16 @@
 
     &warn.undocumented.func;
 
+    <note>
+     <title>Requirement</title>
+     <simpara>
+      <function>ldap_sasl_bind</function> requires <acronym>SASL</acronym>
+      support (<filename>sasl.h</filename>). Be sure 
+      <literal>--with-ldap-sasl</literal> is used when configuring PHP 
+      otherwise this function will be undefined.
+     </simpara>
+    </note>
+
    </refsect1>
   </refentry>