[shadow-styling] slight tweak to ::shadow text

Author: tabatkins

shadow-styling/Overview.bs

@@ -340,8 +340,8 @@ Selecting Based on an Ancestor Outside the Shadow Tree: the '':ancestor()'' pseu
 Selecting the Shadow Root Itself: the ''::shadow'' pseudo-element</h3>
 
 	If an element has at least one <a>shadow tree</a>,
-	the <dfn>::shadow</dfn> pseudo-element selects the <a>shadow trees</a> themselves.
-	In HTML, the <a>shadow tree</a> is represented by <a interface>ShadowRoot</a> objects.
+	the <dfn>::shadow</dfn> pseudo-element matches the <a>shadow roots</a> themselves.
+	In HTML, the <a>shadow root</a> is represented by <a interface>ShadowRoot</a> objects.
 
 	The ''::shadow'' pseudo-element must not generate boxes,
 	unless specified otherwise in another specification.

shadow-styling/Overview.html

@@ -465,8 +465,8 @@ <h3 class="heading settled heading" data-level=6.3 id=shadow-pseudoelement><span
 Selecting the Shadow Root Itself: the <a class=css data-link-type=maybe href=#selectordef-shadow title=::shadow>::shadow</a> pseudo-element</span><a class=self-link href=#shadow-pseudoelement></a></h3>
 
 <p>	If an element has at least one <a data-link-type=dfn href=#shadow-tree title="shadow tree">shadow tree</a>,
-	the <dfn class=css-code data-dfn-type=selector data-export="" id=selectordef-shadow>::shadow<a class=self-link href=#selectordef-shadow></a></dfn> pseudo-element selects the <a data-link-type=dfn href=#shadow-tree title="shadow trees">shadow trees</a> themselves.
-	In HTML, the <a data-link-type=dfn href=#shadow-tree title="shadow tree">shadow tree</a> is represented by <a class=idl-code data-link-type=interface title=shadowroot>ShadowRoot</a> objects.
+	the <dfn class=css-code data-dfn-type=selector data-export="" id=selectordef-shadow>::shadow<a class=self-link href=#selectordef-shadow></a></dfn> pseudo-element matches the <a data-link-type=dfn href=#shadow-root title="shadow roots">shadow roots</a> themselves.
+	In HTML, the <a data-link-type=dfn href=#shadow-root title="shadow root">shadow root</a> is represented by <a class=idl-code data-link-type=interface title=shadowroot>ShadowRoot</a> objects.
 
 <p>	The <a class=css data-link-type=maybe href=#selectordef-shadow title=::shadow>::shadow</a> pseudo-element must not generate boxes,
 	unless specified otherwise in another specification.