diff --git a/opcodes/opcode.xml b/opcodes/opcode.xml
index 2f3bae922e..d844d58b1b 100644
--- a/opcodes/opcode.xml
+++ b/opcodes/opcode.xml
@@ -351,10 +351,7 @@ xinarg1 [, xinarg2] [, xinarg3] ... [xinargN]  <emphasis role="opc">xin</emphasi
   <refsect1>
     <title>See Also</title>
     <para>
-      <link linkend="endop"><citetitle>endop</citetitle></link>,
-      <link linkend="setksmps"><citetitle>setksmps</citetitle></link>,
-      <link linkend="xin"><citetitle>xin</citetitle></link>,
-      <link linkend="xout"><citetitle>xout</citetitle></link>
+      <link linkend="OrchUDO"><citetitle>User Defined Opcodes (UDO)</citetitle></link>
     </para>
   </refsect1>