[css-color-adjust-1] Fix linking.

Author: tabatkins

css-color-adjust-1/Overview.bs

@@ -204,7 +204,7 @@ The "color-scheme" <{meta}> value {#color-scheme-meta}
 	(rather than waiting for all CSS in the page to load),
 	a 'color-scheme' value can also be provided in a <{meta}> element.
 
-	If any <{meta}> elements are [=inserted into the document=] or [=removed from the document=],
+	If any <{meta}> elements are [=inserted into a document=] or [=removed from a document=],
 	or existing <{meta}> elements have their <{meta/name}> or <{meta/content}> attributes changed,
 	user agents must run the following algorithm:
 
@@ -222,7 +222,7 @@ The "color-scheme" <{meta}> value {#color-scheme-meta}
 		2. For each |element| in |candidate elements|:
 			1. If |element|’s <{meta/content}> attribute's value
 				[=CSS/parses=] as a <'color-scheme'> value,
-				treat that value as a declaration of the 'color-scheme' property on |element|’s [=root=],
+				treat that value as a declaration of the 'color-scheme' property on |element|’s [=tree/root=],
 				cascaded as a [[css-cascade-4#preshint|non-CSS presentational hint]].
 				Then return.