diff --git a/Resources/Changelog/Changelog.yml b/Resources/Changelog/Changelog.yml
index c5600f2e45..cc2bb9462a 100644
--- a/Resources/Changelog/Changelog.yml
+++ b/Resources/Changelog/Changelog.yml
@@ -1,9 +1,4 @@
 Entries:
-- author: Owai-Seek
-  changes:
-  - {message: 'Adds Medical Doctor, Cryo, and Cloning Guidebooks', type: Add}
-  id: 3940
-  time: '2023-06-04T21:06:43.0000000+00:00'
 - author: Owai-Seek
   changes:
   - {message: Added Chef Guidebook, type: Add}
@@ -2985,3 +2980,9 @@ Entries:
   - {message: Uplinks can now purchase a Syndicate pAI., type: Add}
   id: 4439
   time: '2023-08-05T04:26:26.0000000+00:00'
+- author: mhamster
+  changes:
+  - {message: 'Added new chemical reaction between iron, aluminium and uranium that
+      will cause electromagnetic pulse.', type: Add}
+  id: 4440
+  time: '2023-08-05T04:31:14.0000000+00:00'