diff --git a/html/changelog.html b/html/changelog.html
index 2a335302e8c..8fb3f68f6f3 100644
--- a/html/changelog.html
+++ b/html/changelog.html
@@ -40,6 +40,10 @@
 			<ul class="changes bgimages16">
 				<li class="tweak">Fixes stray pixel on Basket of Chips sprite.</li>
 			</ul>
+			<h3 class="author">MattAtlas updated:</h3>
+			<ul class="changes bgimages16">
+				<li class="tweak">Made the TGUI Say window larger and added an X button to close it.</li>
+			</ul>
 			<h3 class="author">RustingWithYou updated:</h3>
 			<ul class="changes bgimages16">
 				<li class="tweak">Adjust the spawns for the Gadpathur, COC ranger and COC surveyor ship to not spawn in places where it doesn&#x27;t make sense.</li>
diff --git a/html/changelogs/.all_changelog.yml b/html/changelogs/.all_changelog.yml
index dc43589109c..a8019a0083c 100644
--- a/html/changelogs/.all_changelog.yml
+++ b/html/changelogs/.all_changelog.yml
@@ -32677,6 +32677,8 @@ DO NOT EDIT THIS FILE BY HAND!  AUTOMATICALLY GENERATED BY ss13_genchangelog.py.
 2023-12-17:
   HanSolo1519:
   - tweak: Fixes stray pixel on Basket of Chips sprite.
+  MattAtlas:
+  - tweak: Made the TGUI Say window larger and added an X button to close it.
   RustingWithYou:
   - tweak: Adjust the spawns for the Gadpathur, COC ranger and COC surveyor ship to
       not spawn in places where it doesn&#x27;t make sense.
diff --git a/html/changelogs/mattatlas-cello.yml b/html/changelogs/mattatlas-cello.yml
deleted file mode 100644
index 1885fe4ce4c..00000000000
--- a/html/changelogs/mattatlas-cello.yml
+++ /dev/null
@@ -1,41 +0,0 @@
-################################
-# Example Changelog File
-#
-# Note: This file, and files beginning with ".", and files that don't end in ".yml" will not be read. If you change this file, you will look really dumb.
-#
-# Your changelog will be merged with a master changelog. (New stuff added only, and only on the date entry for the day it was merged.)
-# When it is, any changes listed below will disappear.
-#
-# Valid Prefixes:
-#   bugfix
-#   wip (For works in progress)
-#   tweak
-#   soundadd
-#   sounddel
-#   rscadd (general adding of nice things)
-#   rscdel (general deleting of nice things)
-#   imageadd
-#   imagedel
-#   maptweak
-#   spellcheck (typo fixes)
-#   experiment
-#   balance
-#   admin
-#   backend
-#   security
-#   refactor
-#################################
-
-# Your name.
-author: MattAtlas
-
-# Optional: Remove this file after generating master changelog.  Useful for PR changelogs that won't get used again.
-delete-after: True
-
-# Any changes you've made.  See valid prefix list above.
-# INDENT WITH TWO SPACES.  NOT TABS.  SPACES.
-# SCREW THIS UP AND IT WON'T WORK.
-# Also, all entries are changed into a single [] after a master changelog generation. Just remove the brackets when you add new entries.
-# Please surround your changes in  double quotes ("), as certain characters otherwise screws up compiling. The quotes will not show up in the changelog.
-changes:
-  - tweak: "Made the TGUI Say window larger and added an X button to close it."