diff --git a/CHANGELOG.md b/CHANGELOG.md
index a3098e4d..6fb13142 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -16,6 +16,9 @@ will consitute of a breaking change warranting a new major release:
 
 # [unreleased]
 
+## Changed
+- The primary and the secondary temperature sensors for the PLOC mission boards are exchanged.
+
 # [v6.4.1] 2023-08-21
 
 ## Fixed