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-rw-r--r--pod/perlrun.pod4
1 files changed, 3 insertions, 1 deletions
diff --git a/pod/perlrun.pod b/pod/perlrun.pod
index b9adb9b5a0..7796c76d1b 100644
--- a/pod/perlrun.pod
+++ b/pod/perlrun.pod
@@ -1099,7 +1099,9 @@ C<safe> the safe signals are used.
=item PERL_UNICODE
-Equivalent to the B<-C> command-line switch.
+Equivalent to the B<-C> command-line switch. Note that this is not
+a boolean variable-- setting this to C<"1"> is not the right way to
+"enable Unicode" (whatever that would mean).
=item SYS$LOGIN (specific to the VMS port)