diff --git a/2022/day04/aoc-c.c b/2022/day04/aoc-c.c
index 587bc28..b0ebb16 100644
--- a/2022/day04/aoc-c.c
+++ b/2022/day04/aoc-c.c
@@ -1,4 +1,4 @@
-/* aoc-c.c: Advent of Code 2022, day 3
+/* aoc-c.c: Advent of Code 2022, day 4
  *
  * Copyright (C) 2022 Bruno Raoult ("br")
  * Licensed under the GNU General Public License v3.0 or later.
diff --git a/2022/day04/aoc.bash b/2022/day04/aoc.bash
index 3431488..04b0572 100755
--- a/2022/day04/aoc.bash
+++ b/2022/day04/aoc.bash
@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 #
-# aoc.bash: Advent of Code 2022, day 3
+# aoc.bash: Advent of Code 2022, day 4
 #
 # Copyright (C) 2022 Bruno Raoult ("br")
 # Licensed under the GNU General Public License v3.0 or later.