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-rwxr-xr-xchallenge-120/wlmb/perl/ch-1.pl2
-rwxr-xr-xchallenge-120/wlmb/perl/ch-2.pl2
2 files changed, 2 insertions, 2 deletions
diff --git a/challenge-120/wlmb/perl/ch-1.pl b/challenge-120/wlmb/perl/ch-1.pl
index aaa02c3606..e8a1b5f28b 100755
--- a/challenge-120/wlmb/perl/ch-1.pl
+++ b/challenge-120/wlmb/perl/ch-1.pl
@@ -2,7 +2,7 @@
# Perl weekly challenge 120
# Task 1: Swap odd/even bits
#
-# See https://wlmb.github.io/2021/07/07/PWC220/#task-1-swap-oddeven-bits
+# See https://wlmb.github.io/2021/07/07/PWC120/#task-1-swap-oddeven-bits
use strict;
use warnings;
use v5.12;
diff --git a/challenge-120/wlmb/perl/ch-2.pl b/challenge-120/wlmb/perl/ch-2.pl
index 322dff94c2..7c71c473e2 100755
--- a/challenge-120/wlmb/perl/ch-2.pl
+++ b/challenge-120/wlmb/perl/ch-2.pl
@@ -2,7 +2,7 @@
# Perl weekly challenge 120
# Task 2: Clock angle
#
-# See https://wlmb.github.io/2021/07/07/PWC220/#task-2-clock-angle
+# See https://wlmb.github.io/2021/07/07/PWC120/#task-2-clock-angle
use strict;
use warnings;
use v5.12;