diff --git a/reference/pcre/functions/preg-match.xml b/reference/pcre/functions/preg-match.xml
index 804246a03c..f2227b23e6 100644
--- a/reference/pcre/functions/preg-match.xml
+++ b/reference/pcre/functions/preg-match.xml
@@ -174,6 +174,16 @@ Array
       </row>
      </thead>
      <tbody>
+      <row>
+       <entry>5.2.2</entry>
+       <entry>
+        Named subpatterns now accept the
+        syntax <literal>(?&lt;name&gt;)</literal>
+        and <literal>(?'name')</literal> as well
+        as <literal>(?P&lt;name&gt;)</literal>. Previous versions
+        accepted only <literal>(?P&lt;name&gt;)</literal>.
+       </entry>
+      </row>
       <row>
        <entry>4.3.3</entry>
        <entry>
@@ -275,8 +285,12 @@ domain name is: php.net
 
 $str = 'foobar: 2008';
 
+// Works in PHP 5.2.2 and later.
 preg_match('/(?<name>\w+): (?<digit>\d+)/', $str, $matches);
 
+// Before PHP 5.2.2, use this:
+// preg_match('/(?P<name>\w+): (?P<digit>\d+)/', $str, $matches);
+
 print_r($matches);
 
 ?>