diff --git a/debian.realtime/upstream-realtime b/debian.realtime/upstream-realtime
index 85777ce512a6..d9ae2674a3e0 100644
--- a/debian.realtime/upstream-realtime
+++ b/debian.realtime/upstream-realtime
@@ -1,4 +1,4 @@
 # The following upstream releases have been ported:
+# +n notes changes from the specified PREEMPT_RT version
 [upstream-realtime]
-        linux-6.8.y-rt = 6.8-rt11
-
+        linux-6.8.y-rt = 6.8-rt11+1