[scroll-animations-1][editorial] Minor wording tweaks

Author: fantasai

scroll-animations-1/rewrite.bs

@@ -202,7 +202,7 @@ spec: cssom-view-1; type: dfn;
 	</pre>
 
 	A {{ScrollTimeline}} is an {{AnimationTimeline}}
-	that specifies a [=scroll progress timeline=].
+	that represents a [=scroll progress timeline=].
 	It can be passed to
 	the {{Animation}} constructor or the {{Animatable/animate()}} method
 	to link the animation to a [=scroll progress timeline=].
@@ -213,9 +213,9 @@ spec: cssom-view-1; type: dfn;
 			whose scroll position drives the progress of the timeline.
 
 		:   <dfn>axis</dfn>
-		::  Specifies the axis of scrolling
+		::  The axis of scrolling
 			that drives the progress of the timeline.
-			See <<axis>>, above.
+			See value definitions for <<axis>>, above.
 	</dl>
 
 	<dl class="constructors">
@@ -242,11 +242,11 @@ spec: cssom-view-1; type: dfn;
 
 	Inherited attributes:
 	<dl>
-		:   {{AnimationTimeline/currentTime}} (inherited from {{AnimationTimeline}}
+		:   {{AnimationTimeline/currentTime}} (inherited from {{AnimationTimeline}})
 		::  Represents the scroll progress of the [=scroll container=]
 			as a percentage CSSUnitValue,
 			with 0% representing its startmost scroll position
-			(using the [=writing mode=] of the [=scroll container=].
+			(in the [=writing mode=] of the [=scroll container=]).
 			Null when the timeline is [=timeline inactive phase|inactive=].
 	</dl>
 
@@ -256,10 +256,13 @@ spec: cssom-view-1; type: dfn;
 	Is this what we want?
 	<!-- turn this into a note instead of a question once resolved -->
 
+	ISSUE: Add a note about whether {{AnimationTimeline/currentTime}}
+	can be negative or > 100%.
+
 	If the {{ScrollTimeline/source}} of a {{ScrollTimeline}}
 	is an element whose [=principal box=] does not exist
 	or is not a [=scroll container=],
-	then its {{AnimationTimeline/phase}} is the [=timeline inactive phase=].
+	then the {{ScrollTimeline}} is in the [=timeline inactive phase=].
 	It is otherwise in the [=timeline active phase|active=] phase.
 
 	A {{ScrollTimeline}}’s {{EffectTiming/duration}} is 100%.