diff --git a/reference/sdo/setup.xml b/reference/sdo/setup.xml
index b999e68bb1..b5e6ec8022 100644
--- a/reference/sdo/setup.xml
+++ b/reference/sdo/setup.xml
@@ -21,7 +21,7 @@
   &reftitle.install;
   <para>
    &pecl.info;
-   <link xlink:href="&url.pecl.package;sco">&url.pecl.package;sco</link>.
+   <link xlink:href="&url.pecl.package;sca_sco">&url.pecl.package;sca_sco</link>.
   </para>
   <note>
    <para>