diff --git a/reference/exec/functions/proc-nice.xml b/reference/exec/functions/proc-nice.xml
index ac9aca549a..de85f9fe01 100644
--- a/reference/exec/functions/proc-nice.xml
+++ b/reference/exec/functions/proc-nice.xml
@@ -105,7 +105,7 @@
   &reftitle.examples;
   <para>
    <example>
-    <title>Using <function>proc_open</function> to set the process priority to high</title>
+    <title>Using <function>proc_nice</function> to set the process priority to high</title>
     <programlisting role="php">
 <![CDATA[
 <?php