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diff --git a/pod/perlintro.pod b/pod/perlintro.pod
index 210890f..9973fd6 100644
--- a/pod/perlintro.pod
+++ b/pod/perlintro.pod
@@ -302,7 +302,7 @@ are defined.
 Using C<my> in combination with a C<use strict;> at the top of
 your Perl scripts means that the interpreter will pick up certain common
 programming errors.  For instance, in the example above, the final
-C<print $b> would cause a compile-time error and prevent you from
+C<print $y> would cause a compile-time error and prevent you from
 running the program.  Using C<strict> is highly recommended.
 
 =head2 Conditional and looping constructs
@@ -659,7 +659,7 @@ to database integration to graphics.  A categorized list of modules is
 also available from CPAN.
 
 To learn how to install modules you download from CPAN, read
-L<perlmodinstall>
+L<perlmodinstall>.
 
 To learn how to use a particular module, use C<perldoc I<Module::Name>>.
 Typically you will want to C<use I<Module::Name>>, which will then give