Applied more review suggestions.

src/7-to-8/major-changes/scheduling.rst

@@ -26,9 +26,9 @@ Cylc 8 has a new scheduling algorithm that:
 - Is much more efficient because it doesn't need to track as 
   many waiting and succeeded tasks.
 
-  - waiting tasks are not pre-spawned before they are needed
-  - succeeded tasks are not retained across the :term:`active window`
-  - no costly indiscriminate dependency matching is done
+  - Tasks are not pre-spawned before they are needed.
+  - Tasks are not retained when they succeed.
+  - No costly indiscriminate dependency matching is done.
 - Distinguishes between :term:`optional <optional output>` and
   :term:`required <required output>` task outputs, to support:
 

src/user-guide/running-workflows/reflow.rst

@@ -122,8 +122,8 @@ Triggering with No Active Flows
    same as if you had triggered the task just before the workflow completed.
 
 Special Case: Triggering ``n=0`` (:term:`active window`) Tasks
-   Tasks in the :term:`active window` already have flow membership assigned
-   (namely that of the parent tasks that spawned them).
+   Tasks in the :term:`active window` already have flow membership assigned.
+   Flow numbers are inherited from parent (upstream) tasks in the graph.
 
    - Triggering a task with a submitted or running job has no effect
      (it is already triggered).