diff --git a/pod/perlmodlib.PL b/pod/perlmodlib.PL
index 780a536908e1..909bd9b8df70 100644
--- a/pod/perlmodlib.PL
+++ b/pod/perlmodlib.PL
@@ -204,7 +204,8 @@ double quotes should be used instead of single quotes).
       'find { wanted => sub { print canonpath $_ if /\.pm\z/ },
       no_chdir => 1 }, @INC'
 
-(The -T is here to prevent '.' from being listed in @INC.)
+(The -T is here to prevent @INC from being populated by C<PERL5LIB>,
+C<PERLLIB>, and C<PERL_USE_UNSAFE_INC>.)
 They should all have their own documentation installed and accessible
 via your system man(1) command.  If you do not have a B<find>
 program, you can use the Perl B<find2perl> program instead, which
diff --git a/pod/perlsec.pod b/pod/perlsec.pod
index d5e1c0ba0a88..1798796af0be 100644
--- a/pod/perlsec.pod
+++ b/pod/perlsec.pod
@@ -235,8 +235,8 @@ Unix-like environments that support #! and setuid or setgid scripts.)
 
 =head2 Taint mode and @INC
 
-When the taint mode (C<-T>) is in effect, the environment variables
-C<PERL5LIB> and C<PERLLIB>
++When the taint mode (C<-T>) is in effect, the environment variables
++C<PERL5LIB>, C<PERLLIB>, and C<PERL_USE_UNSAFE_INC>
 are ignored by Perl.  You can still adjust C<@INC> from outside the
 program by using the C<-I> command line option as explained in
 L<perlrun|perlrun/-Idirectory>.  The two environment variables are