diff --git a/html/changelogs/AutoChangeLog-pr-4509.yml b/html/changelogs/AutoChangeLog-pr-4509.yml
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+author: "Robustin"
+delete-after: True
+changes: 
+  - tweak: "The EMP door shocking effect has a new formula. Heavy EMP's will no longer shock doors while light EMP's have a 10% chance (down from 13.33%)."