diff --git a/reference/ldap/functions/ldap-sort.xml b/reference/ldap/functions/ldap-sort.xml
index ed7fec92b4..29f001750c 100644
--- a/reference/ldap/functions/ldap-sort.xml
+++ b/reference/ldap/functions/ldap-sort.xml
@@ -3,7 +3,7 @@
 <refentry xml:id='function.ldap-sort' xmlns="http://docbook.org/ns/docbook">
  <refnamediv>
   <refname>ldap_sort</refname>
-  <refpurpose>Sort LDAP result entries</refpurpose>
+  <refpurpose>Sort LDAP result entries on the client side</refpurpose>
  </refnamediv>
 
  <refsect1 role="description">
@@ -18,6 +18,12 @@
    Sort the result of a LDAP search, returned by
    <function>ldap_search</function>.
   </para>
+  <para>
+   As this function sorts the returned values on the client side it is possible that 
+   you might not get the expected results in case you reach the <parameter>sizelimit</parameter> either of the server or
+   defined within <function>ldap_search</function>.
+  </para>
+  &warn.deprecated.feature-7-0-0;
  </refsect1>
 
  <refsect1 role="parameters">