Fix comment

diff --git a/lib/gethrxtime.h b/lib/gethrxtime.h
index ecbd505d5048f61b0607cbdead836f16d72f9fde..2247f968d33202ccfb69551b1e3dd5a09ce19d22 100644 (file)
--- a/lib/gethrxtime.h
+++ b/lib/gethrxtime.h
@@ -24,8 +24,9 @@
 # include "xtime.h"
 
 /* Get the current time, as a count of the number of nanoseconds since
-   an arbitrary epoch (e.g., the system boot time).  This clock can't
-   be set, is always increasing, and is nearly linear.  */
+   an arbitrary epoch (e.g., the system boot time).  Prefer a
+   high-resolution clock that is not subject to resetting or
+   drifting.  */
 
 # if HAVE_ARITHMETIC_HRTIME_T && HAVE_DECL_GETHRTIME
 #  include <time.h>