diff --git a/html/changelogs/AutoChangeLog-pr-3447.yml b/html/changelogs/AutoChangeLog-pr-3447.yml
new file mode 100644
index 0000000000..c9301eca09
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+++ b/html/changelogs/AutoChangeLog-pr-3447.yml
@@ -0,0 +1,4 @@
+author: "CitadelStationBot"
+delete-after: True
+changes: 
+  - tweak: "Portable air pumps can output to a maximum of 25 atmospheres."