diff --git a/language/types/pseudo-types.xml b/language/types/pseudo-types.xml
index 1314412dc8..77d81e0b89 100644
--- a/language/types/pseudo-types.xml
+++ b/language/types/pseudo-types.xml
@@ -64,7 +64,8 @@
   <para>
    Apart from common user-defined function, <function>create_function</function>
    can also be used to create an anonymous callback function. As of PHP 5.3.0 
-   its possible to also pass a closure to a callback parameter.
+   it is possible to also pass a
+   <link linkend="functions.anonymous">closure</link> to a callback parameter.
   </para>
 
   <para>
diff --git a/reference/pcre/functions/preg-replace-callback.xml b/reference/pcre/functions/preg-replace-callback.xml
index 79b638ad1f..64ff26d603 100644
--- a/reference/pcre/functions/preg-replace-callback.xml
+++ b/reference/pcre/functions/preg-replace-callback.xml
@@ -48,7 +48,9 @@
       <para>
        You'll often need the <parameter>callback</parameter> function
        for a <function>preg_replace_callback</function> in just one place.
-       In this case you can use <function>create_function</function> to
+       In this case you can use an
+       <link linkend="functions.anonymous">anonymous function</link> (since
+       PHP 5.3.0) or <function>create_function</function> to
        declare an anonymous function as callback within the call to
        <function>preg_replace_callback</function>. By doing it this way
        you have all information for the call in one place and do not