diff --git a/html/changelogs/AutoChangeLog-pr-40504.yml b/html/changelogs/AutoChangeLog-pr-40504.yml
new file mode 100644
index 00000000000..278ccc3d38b
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+++ b/html/changelogs/AutoChangeLog-pr-40504.yml
@@ -0,0 +1,4 @@
+author: "ShizCalev"
+delete-after: True
+changes: 
+  - rscadd: "An antagonist holding a syndicate balloon will now receive a positive mood modifier."