diff --git a/html/changelogs/AutoChangeLog-pr-9720.yml b/html/changelogs/AutoChangeLog-pr-9720.yml
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+author: "Purpose & AndrewMontagne"
+delete-after: True
+changes: 
+  - rscadd: "New grimy dirt sprites."
+  - rscadd: "Dirty tiles now get dirtier if neighbouring tiles are also dirty."