diff --git a/UPDATING b/UPDATING
index bb8ddc6c04e5..1662c50c8b2e 100644
--- a/UPDATING
+++ b/UPDATING
@@ -1931,13 +1931,14 @@ COMMON ITEMS:
 	can be deleted by "make delete-old-libs", but you have to make
 	sure that no program is using those libraries anymore.
 
-	[8] The new kernel must be able to run existing binaries used by
-	an installworld.  When upgrading across major versions, the new
-	kernel's configuration must include the correct COMPAT_FREEBSD<n>
-	option for existing binaries (e.g. COMPAT_FREEBSD11 to run 11.x
-	binaries).  Failure to do so may leave you with a system that is
-	hard to boot to recover.  A GENERIC kernel will include suitable
-	compatibility options to run binaries from supported older branches.
+	[8] The new kernel must be able to run existing binaries used by an
+	installworld.  When upgrading across major versions, the new kernel's
+	configuration must include the correct COMPAT_FREEBSD<n> option for
+	existing binaries (e.g. COMPAT_FREEBSD11 to run 11.x binaries).  Failure
+	to do so may leave you with a system that is hard to boot to recover. A
+	GENERIC kernel will include suitable compatibility options to run
+	binaries from older branches.  Note that the ability to run binaries
+	from unsupported branches is not guaranteed.
 
 	Make sure that you merge any new devices from GENERIC since the
 	last time you updated your kernel config file. Options also