Fix CR issues

Author: alamirault

scheduler.rst

@@ -196,13 +196,13 @@ Hashed Cron Expression
 ~~~~~~~~~~~~~~~~~~~~~~
 
 If you have many trigger scheduled at same time (for example, at midnight, ``0 0 * * *``)
-this could create a very long running schedule right at this time.
+this will create a very long running schedules list right at this time.
 This may cause an issue if a task has a memory leak.
 
 You can add a ``#``(for hash) symbol in expression to generate random value. The value
 is deterministic based on the message. This means that while the value is random, it is
 predictable and consistent. A message with string representation ``my task``
-and a defined frequency of ``# # * * *`` will have a calculated frequency
+and a defined frequency of ``# # * * *`` will have an idempotent frequency
 of ``56 20 * * *`` (every day at 8:56pm).
 
 A hash range ``#(x-y)`` can also be used. For example, ``# #(0-7) * * *`` means daily,