diff --git a/PHI-CL/changelog.txt b/PHI-CL/changelog.txt
index 5526882..b49acfe 100644
--- a/PHI-CL/changelog.txt
+++ b/PHI-CL/changelog.txt
@@ -4,6 +4,7 @@ Date: 2025-12-28
 
   Changes:
     - [GM] Further changes to super combinator.
+    - [GM] Super combinator research set range from 9 to 15 changed to 8 to 14.
 
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 Version: 3.0.131