diff --git a/html/changelogs/AutoChangeLog-pr-15346.yml b/html/changelogs/AutoChangeLog-pr-15346.yml
new file mode 100644
index 0000000000..d5e0d3c665
--- /dev/null
+++ b/html/changelogs/AutoChangeLog-pr-15346.yml
@@ -0,0 +1,4 @@
+author: "Putnam3145"
+delete-after: True
+changes: 
+  - bugfix: "No longer have too much O2 from too much CO2"