diff --git a/doc/src/sgml/external-projects.sgml b/doc/src/sgml/external-projects.sgml
index bcc2e018cd049daa828cb97294ebb8d8a2976acd..500ffd1356d9f25adf4b01002c000648e66b46ef 100644
--- a/doc/src/sgml/external-projects.sgml
+++ b/doc/src/sgml/external-projects.sgml
@@ -113,7 +113,7 @@
pgtclng
Tcl
- http://pgfoundry.org/projects/pgtclng/
+ http://sourceforge.net/projects/pgtclng/