Revise comment about \let support a little to more accurately reflect the
support that's offered.
diff --git a/Doc/perl/python.perl b/Doc/perl/python.perl
index 5a04b7c..7267497 100644
--- a/Doc/perl/python.perl
+++ b/Doc/perl/python.perl
@@ -58,7 +58,7 @@
# This is a fairly simple hack; it supports \let when it is used to create
# (or redefine) a macro to exactly be some other macro: \let\newname=\oldname.
-# Many uses of \let aren't supported.
+# Many possible uses of \let aren't supported or aren't supported correctly.
#
sub do_cmd_let{
local($_) = @_;