diff --git a/WIP Changelog.txt b/WIP Changelog.txt
index 641f726..3709afa 100644
--- a/WIP Changelog.txt	
+++ b/WIP Changelog.txt	
@@ -1,5 +1,6 @@
 New Features: 
 - Renamed 'Close Date' to 'Ready for Payment' to better align with MPI terminology.
+- Changed vehicle age calculation to use 'Ready for Payment' instead of loss date as per new MPI practices.
 
 Bug Fixes: 
 - Updated grouping typo on group lookup popup.
\ No newline at end of file
diff --git a/electron/changelog.json b/electron/changelog.json
index 8e74c0e..d37226b 100644
--- a/electron/changelog.json
+++ b/electron/changelog.json
@@ -31,7 +31,7 @@
   },
   "1.0.15": {
     "title": "Release Notes for 1.0.15",
-    "date": "TBD",
-    "notes": ""
+    "date": "01/12/2021",
+    "notes": "New Features: \n- Renamed 'Close Date' to 'Ready for Payment' to better align with MPI terminology.\n- Changed vehicle age calculation to use 'Ready for Payment' instead of loss date as per new MPI practices.\n\nBug Fixes: \n- Updated grouping typo on group lookup popup."
   }
 }