format and update RANDOMIZED_RESETS config file documentation

testsuite/etc/config.test

@@ -57,7 +57,7 @@ time to clean up : 1200
 # Machine with infinite memory: 0 (never swap).
 time to swap : 600
 
-# How many seconds until an object is reset again.
+# TIME_TO_RESET: How many seconds until an object is reset again.
 time to reset : 1800
 
 # Maximum number of bits in a bit field. They are stored in printable
@@ -200,12 +200,11 @@ no resets : 0
 #
 lazy resets : 0
 
-# RANDOMIZED_RESETS: if this is defined, the reset() will be called in
-# randomized
-#   time interval. The interval vary from TIME_TO_RESET/2 to TIME_TO_RESET-1 .
-#   if this is undefined, the reset() will be called among all objects at the
-# same time,
-#   with the interval as TIME_TO_RESET
+# RANDOMIZED_RESETS: if this is defined, then reset() will be called in
+#   a randomized time interval, varying from between TIME_TO_RESET/2 to
+#   TIME_TO_RESET-1.  If RANDOMIZED_RESETS is undefined, then reset()
+#   will be called upon all objects at the same time using the interval
+#   TIME_TO_RESET.
 #
 randomized resets : 1