diff --git a/aoc2021/DayXX.cs.txt b/aoc2021/DayXX.cs.txt
index d9fc52a..2fdc43d 100644
--- a/aoc2021/DayXX.cs.txt
+++ b/aoc2021/DayXX.cs.txt
@@ -1,11 +1,11 @@
 namespace aoc2021;
 
 /// <summary>
-/// Day XX: <see href="https://adventofcode.com/2021/day/XX"/>
+/// Day P: <see href="https://adventofcode.com/2021/day/P"/>
 /// </summary>
 public sealed class DayXX : Day
 {
-    public DayXX() : base(XX, "Puzzle Name")
+    public DayXX() : base(P, "Puzzle Name")
     {
     }
 
diff --git a/aoc2021/getday.sh b/aoc2021/getday.sh
index e9d8d6a..d07e75f 100644
--- a/aoc2021/getday.sh
+++ b/aoc2021/getday.sh
@@ -17,6 +17,7 @@ curl -s https://adventofcode.com/2021/day/"$day"/input \
   -o "$(printf "input/day%02d.in" "$day")"
 
 class=$(printf "Day%02d.cs" "$day")
+longDay=$(printf "%02d" "$day")
 if [ ! -f "$class" ]; then
-  sed "s/XX/$1/g" DayXX.cs.txt > "$class"
+  sed -e "s/P/$day/g" -e "s/XX/$longDay/g" DayXX.cs.txt > "$class"
 fi