diff --git a/reference/image/configure.xml b/reference/image/configure.xml
index 4ff16e9505..5ab31a24ad 100644
--- a/reference/image/configure.xml
+++ b/reference/image/configure.xml
@@ -111,6 +111,7 @@
       <entry>
        To enable support for native TrueType string function add
        <option role="configure">--enable-gd-native-ttf</option>.
+       (Effectless as of PHP 5.5.0; removed as of PHP 7.2.0.)
       </entry>
      </row>
     </tbody>