Fix ref to sortmap

diff --git a/doc/pazpar2_protocol.xml b/doc/pazpar2_protocol.xml
index f266fd7..6184f4e 100644 (file)
--- a/doc/pazpar2_protocol.xml
+++ b/doc/pazpar2_protocol.xml
@@ -389,7 +389,7 @@ search.pz2?session=2044502273&command=stat
 
        </para>
        <para>
-       For targets where If <link linkend="pz:sortmap">pz:sortmap</link>
+       For targets where If <link linkend="pzsortmap">pz:sortmap</link>
        is defined, a sort operation will be executed (possibly including
        extending the search).
        </para>