diff --git a/aoc2021/DayXX.cs.txt b/aoc2021/DayXX.cs.txt
index 2fdc43d..ba02380 100644
--- a/aoc2021/DayXX.cs.txt
+++ b/aoc2021/DayXX.cs.txt
@@ -1,11 +1,11 @@
 namespace aoc2021;
 
 /// <summary>
-/// Day P: <see href="https://adventofcode.com/2021/day/P"/>
+/// Day Q: <see href="https://adventofcode.com/2021/day/Q"/>
 /// </summary>
 public sealed class DayXX : Day
 {
-    public DayXX() : base(P, "Puzzle Name")
+    public DayXX() : base(Q, "Puzzle Name")
     {
     }
 
diff --git a/aoc2021/getday.sh b/aoc2021/getday.sh
index d07e75f..08250fb 100644
--- a/aoc2021/getday.sh
+++ b/aoc2021/getday.sh
@@ -19,5 +19,5 @@ curl -s https://adventofcode.com/2021/day/"$day"/input \
 class=$(printf "Day%02d.cs" "$day")
 longDay=$(printf "%02d" "$day")
 if [ ! -f "$class" ]; then
-  sed -e "s/P/$day/g" -e "s/XX/$longDay/g" DayXX.cs.txt > "$class"
+  sed -e "s/Q/$day/g" -e "s/XX/$longDay/g" DayXX.cs.txt > "$class"
 fi