diff --git a/doc/ChangeLog b/doc/ChangeLog
index 8cd4dd8aaa..0aaa9e015a 100644
--- a/doc/ChangeLog
+++ b/doc/ChangeLog
@@ -1,3 +1,7 @@
+2008-08-24	Joel Sherrill <joel.sherrill@OARcorp.com>
+
+	* user/clock.t: Correct discussion of timeval.
+
 2008-08-07	Joel Sherrill <joel.sherrill@OARcorp.com>
 
 	* user/datatypes.t: Add rtems_name. Add comment about
diff --git a/doc/user/clock.t b/doc/user/clock.t
index f63319da7c..22563acd8c 100644
--- a/doc/user/clock.t
+++ b/doc/user/clock.t
@@ -107,8 +107,9 @@ type Clock_Time_Value is
 @end example
 @end ifset
 
-The seconds field in this @value{STRUCTURE} is the number of
-seconds since the RTEMS epoch of January 1, 1988.
+The seconds field in this @value{STRUCTURE} is the number of seconds
+since the POSIX epoch of January 1, 1970 but will never be prior to
+the RTEMS epoch of January 1, 1988.
 
 @subsection Clock Tick and Timeslicing