2 files changed, 5 insertions, 7 deletions

diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 10ef61981149..0efcdca9751a 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -7,7 +7,8 @@ config PRINTK_TIME
           included in printk output.  This allows you to measure
           the interval between kernel operations, including bootup
           operations.  This is useful for identifying long delays
-          in kernel startup.
+          in kernel startup.  Or add printk.time=1 at boot-time.
+          See Documentation/kernel-parameters.txt
 
 config DEFAULT_MESSAGE_LOGLEVEL
         int "Default message log level (1-7)"
diff --git a/lib/vsprintf.c b/lib/vsprintf.c
index dfd60192bc2e..1d659d7bb0f8 100644
--- a/lib/vsprintf.c
+++ b/lib/vsprintf.c
@@ -1161,8 +1161,7 @@ qualifier:
  * return is greater than or equal to @size, the resulting
  * string is truncated.
  *
- * Call this function if you are already dealing with a va_list.
- * You probably want snprintf() instead.
+ * If you're not already dealing with a va_list consider using snprintf().
  */
 int vsnprintf(char *buf, size_t size, const char *fmt, va_list args)
 {
@@ -1336,8 +1335,7 @@ EXPORT_SYMBOL(vsnprintf);
  * the @buf not including the trailing '\0'. If @size is == 0 the function
  * returns 0.
  *
- * Call this function if you are already dealing with a va_list.
- * You probably want scnprintf() instead.
+ * If you're not already dealing with a va_list consider using scnprintf().
  *
  * See the vsnprintf() documentation for format string extensions over C99.
  */
@@ -1416,8 +1414,7 @@ EXPORT_SYMBOL(scnprintf);
  * into @buf. Use vsnprintf() or vscnprintf() in order to avoid
  * buffer overflows.
  *
- * Call this function if you are already dealing with a va_list.
- * You probably want sprintf() instead.
+ * If you're not already dealing with a va_list consider using sprintf().
  *
  * See the vsnprintf() documentation for format string extensions over C99.
  */