diff --git a/docs/en/programmers/api-variables/variable-plugins-dir.xml b/docs/en/programmers/api-variables/variable-plugins-dir.xml
index 6530f956..dd9fa069 100644
--- a/docs/en/programmers/api-variables/variable-plugins-dir.xml
+++ b/docs/en/programmers/api-variables/variable-plugins-dir.xml
@@ -24,7 +24,7 @@
         </note>
 
       <example>
-      <title>Appending a local plugins dir</title>
+      <title>Appending a local plugin dir</title>
       <programlisting role="php">
 <![CDATA[
 <?php