diff --git a/docs/releases.txt b/docs/releases.txt
index 5ada05d5..e93dfd2e 100644
--- a/docs/releases.txt
+++ b/docs/releases.txt
@@ -3,7 +3,7 @@
 *****************************************************************************
 
 *** Changes after 2.3 ***
-
+FIX:        Add missing stm32m3 cpu makefile option. Update doc to match.
 
 
 *** Release 2.3 ***