[hackers] [ubase] Clarify that hwclock(8) uses /dev/rtc as the default devnode || sin

[git]

commit d2dfc053c14dab04870b5520bba42c9a0173c654
Author: sin <s...@2f30.org>
Date:   Wed Jun 4 10:56:20 2014 +0100

    Clarify that hwclock(8) uses /dev/rtc as the default devnode

diff --git a/hwclock.8 b/hwclock.8
index 21b5266..8c3ac10 100644
--- a/hwclock.8
+++ b/hwclock.8
@@ -7,7 +7,8 @@
 BhwclockR is a tool for accessing the hardware clock. You can display
 the current time, set the hardware clock from the System Time, or
 set the System Time from the hardware clock. It currently only works with UTC.
-You can use IdevR to specify the RTC device node absolute path.
+You can use IdevR to specify the RTC device node absolute path. By default
+it will use I/dev/rtcR.
 .SH FUNCTIONS
 .TP
 B-rR