diff --git a/lib/vsprintf.c b/lib/vsprintf.c
index e3bf4e0f10b5..176641cc549d 100644
--- a/lib/vsprintf.c
+++ b/lib/vsprintf.c
@@ -1954,13 +1954,13 @@ set_precision(struct printf_spec *spec, int prec)
  * This function generally follows C99 vsnprintf, but has some
  * extensions and a few limitations:
  *
- * %n is unsupported
- * %p* is handled by pointer()
+ *  - ``%n`` is unsupported
+ *  - ``%p*`` is handled by pointer()
  *
  * See pointer() or Documentation/printk-formats.txt for more
  * extensive description.
  *
- * ** Please update the documentation in both places when making changes **
+ * **Please update the documentation in both places when making changes**
  *
  * The return value is the number of characters which would
  * be generated for the given input, excluding the trailing