diff --git a/src/Years/Y2015/Day9.md b/src/Years/Y2015/Day9.md
index 8abf4b2..1473ae2 100644
--- a/src/Years/Y2015/Day9.md
+++ b/src/Years/Y2015/Day9.md
@@ -1,4 +1,4 @@
-# Year 2016 Day 9
+# Year 2015 Day 9
 
 This day provides our first example of a graph traversal problem. We'll use a
 `Choose` based effectful breath first search to identify all the possible paths
@@ -292,3 +292,4 @@ public export
 day9 : Day
 day9 = Both 9 part1 part2
 -->
+