Apply suggestion from @fantasai

Co-authored-by: fantasai <fantasai.bugs@inkedblade.net>

Author: 2 people

resize-observer-1/Overview.bs

@@ -395,10 +395,12 @@ Content rect for the <a>SVGGraphicsElement</a>s without CSS layout boxes is a re
 
 <h3 id="algorithms">Algorithms</h3>
 
-<p class="note">
-The following algorithms are invoked as a part of [=update the rendering=] in the html spec:
-<a>gather active resize observations at depth</a>, <a>has active resize observations</a>, <a>has skipped resize observations</a>, <a>broadcast active resize observations</a> and <a>deliver resize loop error notification</a>.
-</p>
+Note: The following algorithms are invoked as a part of [=update the rendering=] in the html spec:
+<a>gather active resize observations at depth</a>,
+<a>has active resize observations</a>,
+<a>has skipped resize observations</a>,
+<a>broadcast active resize observations</a>
+and <a>deliver resize loop error notification</a>.
 
 <h4 id="gather-active-observations-h">Gather active resize observations at depth</h4>