diff --git a/changelog.txt b/changelog.txt
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--- a/changelog.txt
+++ b/changelog.txt
@@ -5,6 +5,7 @@ Date: 2022-12-24
     - SE/K2: Iridium powder can be made in normal chem plant
     - Without "more intermediates", PCB can be made in normal chem plant
   Changes:
+    - Thumbnail tweak
     - SE: Less salt in core mining
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 Version: 0.0.3
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diff --git a/thumbnail.xcf b/thumbnail.xcf
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