[css-scoping-2][editorial] Fix typos

Author: mirisuzanne

css-scoping-2/Overview.bs

@@ -144,7 +144,7 @@ Scoped Styles</h2>
 		</pre>
 
 		The ''img'' selector will only match image tags that are inside a ''.media-object'',
-		without any intervening ''.content'' matches between it and the [=scoping root=].
+		without any intervening ''.content'' class between it and the [=scoping root=].
 	</div>
 
 <!--
@@ -176,7 +176,7 @@ The in-scope pseudo-class '':in()''</h3>
 
 	The specificity of the '':in()'' pseudo-class
 	is replaced by the specificity of
-	the most specific [=complex selector=] in its <<scope-end>> argument.
+	the most specific [=complex selector=] in its <<scope-start>> argument.
 
 	<div class=example>
 		The purpose of the in-scope pseudo-class
@@ -228,7 +228,7 @@ Scoping Styles in CSS: the ''@scope'' rule</h3>
 
 	* Selectors are given the added specificity of
 		the most specific [=complex selector=] in the <<scope-start>> argument.
-		This is designed to match the behavior of the ''in()'' and '':is()'' selectors.
+		This is designed to match the behavior of the '':in()'' and '':is()'' selectors.
 	* [=scoped selectors|Selectors are scoped=] to the [=scope=] in question,
 		with the [=:scope element=] being the [=scoping root=].
 	* The cascade prioritizes rules with a [=scope proximity|more proximate=] [=scoping root=],
@@ -237,9 +237,9 @@ Scoping Styles in CSS: the ''@scope'' rule</h3>
 	<div class=example>
 		When scoped declarations overlap—
 		applying to the same elements
-		with the same cascade origin, importance, and specificity—
+		with the same cascade origin, importance, layer, and specificity—
 		then one with closer [=scope proximity=] takes precedence.
-		Using our
+		For example, this ''light-scheme'' and ''dark-scheme'' scopes:
 
 		<pre class=lang-css>
 		@scope (.light-scheme) {
@@ -251,10 +251,10 @@ Scoping Styles in CSS: the ''@scope'' rule</h3>
 		}
 		</pre>
 
-		If ''light-scheme'' and ''dark-scheme'' classes are nested,
+		If ''light-scheme'' and ''dark-scheme'' classes are nested in the DOM,
 		whichever is closer to a given link in the DOM tree
 		will take precedence for styling that link,
-		regardless of their order in the source:
+		regardless of their order of appearance in CSS:
 
 		<pre class=lang-html>
 		&lt;section class="light-scheme">