Fix capitalization of "Tcl"

petere · petere · commit 8737faa68edd · 2023-11-14T10:45:53.000+01:00
diff --git a/doc/src/sgml/xact.sgml b/doc/src/sgml/xact.sgml
@@ -122,7 +122,7 @@
    Subtransactions can be started explicitly using the
    <command>SAVEPOINT</command> command, but can also be started in
    other ways, such as PL/pgSQL's <command>EXCEPTION</command> clause.
-   PL/Python and PL/TCL also support explicit subtransactions.
+   PL/Python and PL/Tcl also support explicit subtransactions.
    Subtransactions can also be started from other subtransactions.
    The top-level transaction and its child subtransactions form a
    hierarchy or tree, which is why we refer to the main transaction as
