diff --git a/kernel.c b/kernel.c
index 6f06fc46dbf416495b4e101c05f3f180f34c16b0..e41db163dd9d494ad441163a93a2a844897d8c57 100644
--- a/kernel.c
+++ b/kernel.c
@@ -1,5 +1,5 @@
 /*
- * Desc: Minimal OS, to show how to boot an x86 machine.
+ * Desc: Minimal OS, to show how to boot an x86 machine. UFCFWK-15-2
  */
 #if !defined(__cplusplus)
 #include <stdbool.h> /* C doesn't have booleans by default. */