diff --git a/Doc/perl/python.perl b/Doc/perl/python.perl
index 08c23ba4fb5..437c5cb5ca8 100644
--- a/Doc/perl/python.perl
+++ b/Doc/perl/python.perl
@@ -108,6 +108,7 @@ sub do_cmd_sub{
 sub do_cmd_ABC{ 'ABC' . $_[0]; }
 sub do_cmd_UNIX{ '<span class="Unix">Unix</span>' . $_[0]; }
 sub do_cmd_LaTeX{ '<span class="LaTeX">LaTeX</span>' . $_[0]; }
+sub do_cmd_TeX{ '<span class="TeX">TeX</span>' . $_[0]; }
 sub do_cmd_ASCII{ 'ASCII' . $_[0]; }
 sub do_cmd_POSIX{ 'POSIX' . $_[0]; }
 sub do_cmd_C{ 'C' . $_[0]; }