diff --git a/src/tools/msvc/config_default.pl b/src/tools/msvc/config_default.pl
index 96512e6b54f..cdbc181265d 100644
--- a/src/tools/msvc/config_default.pl
+++ b/src/tools/msvc/config_default.pl
@@ -13,7 +13,7 @@ our $config = {
 	ldap    => 1,        # --with-ldap
 	nls     => undef,    # --enable-nls=<path>
 	tap_tests => undef,  # --enable-tap-tests
-	tcl     => undef,    # --with-tls=<path>
+	tcl     => undef,    # --with-tcl=<path>
 	perl    => undef,    # --with-perl
 	python  => undef,    # --with-python=<path>
 	openssl => undef,    # --with-ssl=<path>