diff --git a/PHI-CL/changelog.txt b/PHI-CL/changelog.txt
index 675b6a9..f054dd9 100644
--- a/PHI-CL/changelog.txt
+++ b/PHI-CL/changelog.txt
@@ -4,6 +4,7 @@ Date: 2025-04-07
 
   Changes:
     - [VP] Moved coal liquefaction earlier.
+    - [VP] Reduced power usage of sa machine.
 
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 Version: 3.0.83