diff --git a/doc/src/sgml/external-projects.sgml b/doc/src/sgml/external-projects.sgml
index 91fe8f586da..bc4a2181cbd 100644
--- a/doc/src/sgml/external-projects.sgml
+++ b/doc/src/sgml/external-projects.sgml
@@ -197,7 +197,7 @@
      <row>
       <entry>PL/Py</entry>
       <entry>Python</entry>
-      <entry><ulink url="http://python.projects.postgresql.org/">http://python.projects.postgresql.org/</ulink></entry>
+      <entry><ulink url="http://python.projects.postgresql.org/backend/">http://python.projects.postgresql.org/backend/</ulink></entry>
      </row>
 
      <row>