diff --git a/doc/src/sgml/external-projects.sgml b/doc/src/sgml/external-projects.sgml
index 82aaad4e4b5..82eaf4a3554 100644
--- a/doc/src/sgml/external-projects.sgml
+++ b/doc/src/sgml/external-projects.sgml
@@ -96,6 +96,13 @@
       <entry><ulink url="http://www.npgsql.org/"></ulink></entry>
      </row>
 
+     <row>
+      <entry>pgtcl</entry>
+      <entry>Tcl</entry>
+      <entry></entry>
+      <entry><ulink url="https://github.com/flightaware/Pgtcl"></ulink></entry>
+     </row>
+
      <row>
       <entry>pgtclng</entry>
       <entry>Tcl</entry>