further editorial fixes

Author: youennf

index.bs

@@ -233,12 +233,12 @@ At any time, the UA MAY [=list/remove=] any frame from |processor|.`[[queue]]`.
 The UA may decide to remove frames from |processor|.`[[queue]]`, for example,
 to prevent resource exhaustion or to improve performance in certain situations.
 </dd>
+</dl>
 
 <p class="note">
 The application may detect that frames have been dropped by noticing that there
 is a gap in the timestamps of the frames.
 </p>
-</dl>
 
 When the `[[track]]` of a {{MediaStreamTrackProcessor}} |processor|
 [=track|ends=], the [=processorClose=] algorithm must be
@@ -318,13 +318,18 @@ The <dfn>writeFrame</dfn> algorithm is given a |generator| and a |frame| as inpu
 1. Run the [=Close VideoFrame=] algorithm with |frame|.
 1. Return [=a promise resolved with=] undefined.
 
+</dd>
+</dl>
+
 <p class="note">
 When the media data is sent to a track, the UA may apply processing
 (e.g., cropping and downscaling) to ensure that the media data sent
 to the track satisfies the track's constraints. Each track may receive a
 different version of the media data depending on its constraints.
 </p>
 
+<dl>
+<dd>
 The <dfn>closeWritable</dfn> algorithm is given a |generator| as input.
 It is defined by running the following steps.
 1. For each track `t` sourced from |generator|, [=track|end=] `t`.