diff --git a/RELNOTES b/RELNOTES
index c5686a4f30fb..880cec5d3fe1 100644
--- a/RELNOTES
+++ b/RELNOTES
@@ -10,6 +10,9 @@ newline.  Entries should be separated by a newline.
 
 Changes to this file should not be MFCed.
 
+ff01d71e48d4:
+	dialog(1) has been replace by bsddialog(1)
+
 41582f28ddf7:
 	FreeBSD 15.0 will not include support for 32-bit platforms.
 	However, 64-bit systems will still be able to run older 32-bit
diff --git a/UPDATING b/UPDATING
index a1bcecadd357..0064e53c7a53 100644
--- a/UPDATING
+++ b/UPDATING
@@ -27,6 +27,16 @@ NOTE TO PEOPLE WHO THINK THAT FreeBSD 15.x IS SLOW:
 	world, or to merely disable the most expensive debugging functionality
 	at runtime, run "ln -s 'abort:false,junk:false' /etc/malloc.conf".)
 
+20231010:
+	dialog(1) has been replaced in base by bsddialog(1), while most of the
+	time replacing a dialog(1) call by a bsddialog(1) call works out of the
+	box, bsddialog(1) is not considered as a drop-in replacement dialog(1).
+
+	If you do depend on dialog(1) functionnality, please install cdialog
+	from ports:
+
+	pkg install cdialog
+
 20230927:
 	The EARLY_AP_STARTUP kernel option is mandatory on x86.  The option
 	has been added to DEFAULTS, so it should automatically be included in